Finding the Fourth Proportional to 331.44, 496.62 and 177.18
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Solution
The fourth proportional to 331.44, 496.62 and 177.18 is: 265.48
Step by Step Solution
- Step 1: Write the proportion equation
331.44 : 496.62 = 177.18 : x - Step 2: Convert to fraction form
331.44/496.62 = 177.18/x - Step 3: Cross multiply
331.44x = 496.62 × 177.18 - Step 4: Simplify right side
331.44x = 87,991.13 - Step 5: Solve for x
x = 87,991.13/331.44 - Step 6: Final answer
x = 265.48
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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.