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Finding the Fourth Proportional to 381.32, 527.25 and 375.14

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Solution

The fourth proportional to 381.32, 527.25 and 375.14 is: 518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.32 : 527.25 = 375.14 : x
  2. Step 2: Convert to fraction form
    381.32/527.25 = 375.14/x
  3. Step 3: Cross multiply
    381.32x = 527.25 × 375.14
  4. Step 4: Simplify right side
    381.32x = 197,789.93
  5. Step 5: Solve for x
    x = 197,789.93/381.32
  6. Step 6: Final answer
    x = 518.70

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