Finding the Fourth Proportional to 177.26, 265.76 and 69
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Solution
The fourth proportional to 177.26, 265.76 and 69 is: 103.45
Step by Step Solution
- Step 1: Write the proportion equation
177.26 : 265.76 = 69 : x - Step 2: Convert to fraction form
177.26/265.76 = 69/x - Step 3: Cross multiply
177.26x = 265.76 × 69 - Step 4: Simplify right side
177.26x = 18,337.44 - Step 5: Solve for x
x = 18,337.44/177.26 - Step 6: Final answer
x = 103.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.