Finding the Fourth Proportional to 173.68, 239.52 and 163.24
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Solution
The fourth proportional to 173.68, 239.52 and 163.24 is: 225.12
Step by Step Solution
- Step 1: Write the proportion equation
173.68 : 239.52 = 163.24 : x - Step 2: Convert to fraction form
173.68/239.52 = 163.24/x - Step 3: Cross multiply
173.68x = 239.52 × 163.24 - Step 4: Simplify right side
173.68x = 39,099.24 - Step 5: Solve for x
x = 39,099.24/173.68 - Step 6: Final answer
x = 225.12
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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.