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Finding the Fourth Proportional to 381.29, 527.57 and 332.27

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Solution

The fourth proportional to 381.29, 527.57 and 332.27 is: 459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.29 : 527.57 = 332.27 : x
  2. Step 2: Convert to fraction form
    381.29/527.57 = 332.27/x
  3. Step 3: Cross multiply
    381.29x = 527.57 × 332.27
  4. Step 4: Simplify right side
    381.29x = 175,297.83
  5. Step 5: Solve for x
    x = 175,297.83/381.29
  6. Step 6: Final answer
    x = 459.75

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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.