Finding the Fourth Proportional to 177.66, 265.97 and 122.70
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Solution
The fourth proportional to 177.66, 265.97 and 122.70 is: 183.69
Step by Step Solution
- Step 1: Write the proportion equation
177.66 : 265.97 = 122.70 : x - Step 2: Convert to fraction form
177.66/265.97 = 122.70/x - Step 3: Cross multiply
177.66x = 265.97 × 122.70 - Step 4: Simplify right side
177.66x = 32,633.91 - Step 5: Solve for x
x = 32,633.91/177.66 - Step 6: Final answer
x = 183.69
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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.