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Finding the Fourth Proportional to 596.80, 824.01 and 387.10

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Solution

The fourth proportional to 596.80, 824.01 and 387.10 is: 534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.80 : 824.01 = 387.10 : x
  2. Step 2: Convert to fraction form
    596.80/824.01 = 387.10/x
  3. Step 3: Cross multiply
    596.80x = 824.01 × 387.10
  4. Step 4: Simplify right side
    596.80x = 318,974.27
  5. Step 5: Solve for x
    x = 318,974.27/596.80
  6. Step 6: Final answer
    x = 534.47

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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.