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Finding the Fourth Proportional to 523.74, 723.12 and 337.68

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Solution

The fourth proportional to 523.74, 723.12 and 337.68 is: 466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.74 : 723.12 = 337.68 : x
  2. Step 2: Convert to fraction form
    523.74/723.12 = 337.68/x
  3. Step 3: Cross multiply
    523.74x = 723.12 × 337.68
  4. Step 4: Simplify right side
    523.74x = 244,183.16
  5. Step 5: Solve for x
    x = 244,183.16/523.74
  6. Step 6: Final answer
    x = 466.23

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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.