Insert the fourth number X into the three numbers 2, 3, (5/6) so that these four numbers can form a ratio, then what is the minimum value of X
在2、3、(5/6)这三个数中插入第四个数X，使得这四个数能组成比例，那么X最小是多少
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">2 * (5/6)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">(5/3) / 3</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>