You could use this VBA solution:
Sub main()
Dim i As Integer
Dim j As Integer
For i = 2 To 16
For j = 2 To 16
If Abs(Cells(j, 2) - Cells(i, 1)) < 0.007 Then
Cells(i, 3) = j
End If
Next j
Next i
End Sub
It in column C it outputs the matching row index from column B: