Hi Mary,

Here is an example:

First configure radio button out table with class "radio1", radio button in table with class "radio2" and table with class "radioTable" like this:

Then set custom script:

$(document).ready(function(){
  var radioChoice = '';
  $('.radio1 input').click(function(){
    radioChoice = $(this).val();
    updateRadioInTable();
  });
  function updateRadioInTable() {
    $('.radio2 input').each(function() {
      if ($(this).val() == radioChoice) {
        $(this).click();
      }
    });
  }
  $('.radioTable .cf-table-add-row').click(function(){
    updateRadioInTable();
  });
});