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Finding the Fourth Proportional to 382.15, 527.20 and 250.93

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Solution

The fourth proportional to 382.15, 527.20 and 250.93 is: 346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.15 : 527.20 = 250.93 : x
  2. Step 2: Convert to fraction form
    382.15/527.20 = 250.93/x
  3. Step 3: Cross multiply
    382.15x = 527.20 × 250.93
  4. Step 4: Simplify right side
    382.15x = 132,290.30
  5. Step 5: Solve for x
    x = 132,290.30/382.15
  6. Step 6: Final answer
    x = 346.17

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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.