Process two matrices with condition

Hello,

I have two matrices: A(343x9) and B(369x4). They are attached with this thread. Column 8 in matrix A represents length and columns 2 and 3 in matrix B represent coordinates. What I want to achieve is that I want to copy column 8 of matrix A to column 4 of matrix B, starting from the second row with condition - it checks whether sqrt((B(i+1,2)-B(i,2))^2 + (B(i+1,3)-B(i,3))^2) is EQUAL TO A(i,8). If TRUE write the value of A(i,8) to B(i+1,4). If FALSE write zero. The output is expected to be:

1  355.303500000000  176.975500000000  0
2  353.808900000000  176.170700000000  1.69750764357630
3  352.199200000000  175.480800000000  1.75131267910672
4  350.704500000000  174.905900000000  1.60144875035077
5  344.150900000000  173.526200000000  6.69725653159563
6  338.057100000000  173.066300000000  6.11112971961812
7  332.883200000000  172.951300000000  5.17517789162846
8  330.238700000000  172.491400000000  2.68419229191948
9  325.179800000000  170.651800000000  5.38299148893995
10  321.615500000000  169.387100000000  3.78202334471907
11  317.016500000000  167.777400000000  4.87256965984068
12  310.117900000000  165.247900000000  7.34772428783225
13  309.313100000000  164.903000000000  0.875590686336942
14  307.933300000000  163.983200000000  1.65827623754310
15  306.553600000000  163.178400000000  1.59727115105729
16  305.058900000000  161.108800000000  2.55291446194347
17  304.484100000000  160.303900000000  0.989069790257485
18  304.024200000000  158.694300000000  1.67401319289903
19  303.564200000000  157.084600000000  1.67413681937887
20  303.679200000000  154.555100000000  2.53211280356937
21  303.794200000000  151.565800000000  2.99151123848801
22  305.288900000000  146.046900000000  5.71772553556046
23  306.553600000000  142.367700000000  3.89049851947021
24  301.609600000000  140.298100000000  5.35969963337501
25  299.080200000000  139.033300000000  2.82799989391797
26  297.010600000000  138.228500000000  2.22057361958570
27  518.224900000000  225.150500000000  0
28  507.187100000000  230.324500000000  12.1902955189774
29  505.002600000000  236.763100000000  6.79908892499577

Your help is greatly appreciated. Thank you.