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Finding the Fourth Proportional to 382.24, 527.50 and 207.59

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Solution

The fourth proportional to 382.24, 527.50 and 207.59 is: 286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.24 : 527.50 = 207.59 : x
  2. Step 2: Convert to fraction form
    382.24/527.50 = 207.59/x
  3. Step 3: Cross multiply
    382.24x = 527.50 × 207.59
  4. Step 4: Simplify right side
    382.24x = 109,503.73
  5. Step 5: Solve for x
    x = 109,503.73/382.24
  6. Step 6: Final answer
    x = 286.48

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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.