Finding the Fourth Proportional to 177.53, 266.32 and 55.79
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Solution
The fourth proportional to 177.53, 266.32 and 55.79 is: 83.70
Step by Step Solution
- Step 1: Write the proportion equation
177.53 : 266.32 = 55.79 : x - Step 2: Convert to fraction form
177.53/266.32 = 55.79/x - Step 3: Cross multiply
177.53x = 266.32 × 55.79 - Step 4: Simplify right side
177.53x = 14,859.23 - Step 5: Solve for x
x = 14,859.23/177.53 - Step 6: Final answer
x = 83.70
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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.