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Finding the Fourth Proportional to 337.26, 505.08 and 331.32

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Solution

The fourth proportional to 337.26, 505.08 and 331.32 is: 496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.26 : 505.08 = 331.32 : x
  2. Step 2: Convert to fraction form
    337.26/505.08 = 331.32/x
  3. Step 3: Cross multiply
    337.26x = 505.08 × 331.32
  4. Step 4: Simplify right side
    337.26x = 167,343.11
  5. Step 5: Solve for x
    x = 167,343.11/337.26
  6. Step 6: Final answer
    x = 496.18

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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.