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Finding the Fourth Proportional to 468.46, 645.60 and 337.24

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Solution

The fourth proportional to 468.46, 645.60 and 337.24 is: 464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.46 : 645.60 = 337.24 : x
  2. Step 2: Convert to fraction form
    468.46/645.60 = 337.24/x
  3. Step 3: Cross multiply
    468.46x = 645.60 × 337.24
  4. Step 4: Simplify right side
    468.46x = 217,722.14
  5. Step 5: Solve for x
    x = 217,722.14/468.46
  6. Step 6: Final answer
    x = 464.76

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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.