Finding the Fourth Proportional to 440.75, 660.93 and 177.17
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Solution
The fourth proportional to 440.75, 660.93 and 177.17 is: 265.68
Step by Step Solution
- Step 1: Write the proportion equation
440.75 : 660.93 = 177.17 : x - Step 2: Convert to fraction form
440.75/660.93 = 177.17/x - Step 3: Cross multiply
440.75x = 660.93 × 177.17 - Step 4: Simplify right side
440.75x = 117,096.97 - Step 5: Solve for x
x = 117,096.97/440.75 - Step 6: Final answer
x = 265.68
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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.