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Finding the Fourth Proportional to 382.18, 527.14 and 234.62

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Solution

The fourth proportional to 382.18, 527.14 and 234.62 is: 323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.18 : 527.14 = 234.62 : x
  2. Step 2: Convert to fraction form
    382.18/527.14 = 234.62/x
  3. Step 3: Cross multiply
    382.18x = 527.14 × 234.62
  4. Step 4: Simplify right side
    382.18x = 123,677.59
  5. Step 5: Solve for x
    x = 123,677.59/382.18
  6. Step 6: Final answer
    x = 323.61

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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.