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Finding the Fourth Proportional to 381.93, 527.37 and 234.60

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Solution

The fourth proportional to 381.93, 527.37 and 234.60 is: 323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.93 : 527.37 = 234.60 : x
  2. Step 2: Convert to fraction form
    381.93/527.37 = 234.60/x
  3. Step 3: Cross multiply
    381.93x = 527.37 × 234.60
  4. Step 4: Simplify right side
    381.93x = 123,721.00
  5. Step 5: Solve for x
    x = 123,721.00/381.93
  6. Step 6: Final answer
    x = 323.94

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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.