To resize a table's width and/or height, simply click on the Table icon while you are in edit mode of the procedure, and choose "Cell Properties" from the drop down menu.
A range of options will display including fields for you to change the width (%), Horizontal Alignment, Vertical Alignment, Column Span and Row Span.
If you are changing the width of the table to say 50%, you can make other content appear around the table. To achieve this, click "Left" or "Right" horizontal alignment.
To center the table click "Center".