Finding the Fourth Proportional to 93.68, 129.26 and 52.23
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Solution
The fourth proportional to 93.68, 129.26 and 52.23 is: 72.07
Step by Step Solution
- Step 1: Write the proportion equation
93.68 : 129.26 = 52.23 : x - Step 2: Convert to fraction form
93.68/129.26 = 52.23/x - Step 3: Cross multiply
93.68x = 129.26 × 52.23 - Step 4: Simplify right side
93.68x = 6,751.25 - Step 5: Solve for x
x = 6,751.25/93.68 - Step 6: Final answer
x = 72.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.