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Finding the Fourth Proportional to 475.10, 655.35 and 334.97

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Solution

The fourth proportional to 475.10, 655.35 and 334.97 is: 462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.10 : 655.35 = 334.97 : x
  2. Step 2: Convert to fraction form
    475.10/655.35 = 334.97/x
  3. Step 3: Cross multiply
    475.10x = 655.35 × 334.97
  4. Step 4: Simplify right side
    475.10x = 219,522.59
  5. Step 5: Solve for x
    x = 219,522.59/475.10
  6. Step 6: Final answer
    x = 462.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.