Finding the Fourth Proportional to 161.68, 242.55 and 58.97
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Solution
The fourth proportional to 161.68, 242.55 and 58.97 is: 88.46
Step by Step Solution
- Step 1: Write the proportion equation
161.68 : 242.55 = 58.97 : x - Step 2: Convert to fraction form
161.68/242.55 = 58.97/x - Step 3: Cross multiply
161.68x = 242.55 × 58.97 - Step 4: Simplify right side
161.68x = 14,302.24 - Step 5: Solve for x
x = 14,302.24/161.68 - Step 6: Final answer
x = 88.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.