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Finding the Fourth Proportional to 463.36, 694.90 and 382.00

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Solution

The fourth proportional to 463.36, 694.90 and 382.00 is: 572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.36 : 694.90 = 382.00 : x
  2. Step 2: Convert to fraction form
    463.36/694.90 = 382.00/x
  3. Step 3: Cross multiply
    463.36x = 694.90 × 382.00
  4. Step 4: Simplify right side
    463.36x = 265,446.42
  5. Step 5: Solve for x
    x = 265,446.42/463.36
  6. Step 6: Final answer
    x = 572.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.