Silver and the gold/silver ratio

From blog.hycmlab.com

One ratio that precious metal traders must know about is the gold/silver ratio. This ratio shows the price of silver relative to gold. When the gold/silver ratio is high it means that silver is cheap relative to gold. So, how do you use the gold/silver ratio? When the ratio is higher it tells you to be on the lookout for reasons to buy silver. It means that if there is ever a reason to buy gold or silver then buying silver may prove to have a greater upside than gold. In the current market context, there is one event that could really benefit silver and that would come from the Federal Reserve. What could the Fed do? ... (full story)