Extend the last cell to fill remaining space

In response to the question at http://stackoverflow.com/questions/15134550/html-css-table-how-do-i-increase-width-of-table-without-affecting-width-of-cell

by Barney Carroll

HTML

<table>
	<tbody>
		<tr>
			<td>
				Hello
			</td>
			<td>
				Hi
			</td>
			<td>
				How do you do
			</td>
			<td>
			</td>
		</tr>
	</tbody>
</table>

CSS

td {
    border: 1px solid;
}

table {
    width: 100%;
    white-space: nowrap;
}

td:last-child {
    width: 100%;
}