Finding the Fourth Proportional to 331.26, 496.55 and 201.12
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Solution
The fourth proportional to 331.26, 496.55 and 201.12 is: 301.47
Step by Step Solution
- Step 1: Write the proportion equation
331.26 : 496.55 = 201.12 : x - Step 2: Convert to fraction form
331.26/496.55 = 201.12/x - Step 3: Cross multiply
331.26x = 496.55 × 201.12 - Step 4: Simplify right side
331.26x = 99,865.13 - Step 5: Solve for x
x = 99,865.13/331.26 - Step 6: Final answer
x = 301.47
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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.