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Finding the Fourth Proportional to 337.23, 464.45 and 315.27

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Solution

The fourth proportional to 337.23, 464.45 and 315.27 is: 434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.23 : 464.45 = 315.27 : x
  2. Step 2: Convert to fraction form
    337.23/464.45 = 315.27/x
  3. Step 3: Cross multiply
    337.23x = 464.45 × 315.27
  4. Step 4: Simplify right side
    337.23x = 146,425.58
  5. Step 5: Solve for x
    x = 146,425.58/337.23
  6. Step 6: Final answer
    x = 434.20

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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.