Finding the Fourth Proportional to 177.53, 266.27 and 84.92
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Solution
The fourth proportional to 177.53, 266.27 and 84.92 is: 127.37
Step by Step Solution
- Step 1: Write the proportion equation
177.53 : 266.27 = 84.92 : x - Step 2: Convert to fraction form
177.53/266.27 = 84.92/x - Step 3: Cross multiply
177.53x = 266.27 × 84.92 - Step 4: Simplify right side
177.53x = 22,612.62 - Step 5: Solve for x
x = 22,612.62/177.53 - Step 6: Final answer
x = 127.37
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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.