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Finding the Fourth Proportional to 605.71, 839.02 and 593.40

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Solution

The fourth proportional to 605.71, 839.02 and 593.40 is: 821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.71 : 839.02 = 593.40 : x
  2. Step 2: Convert to fraction form
    605.71/839.02 = 593.40/x
  3. Step 3: Cross multiply
    605.71x = 839.02 × 593.40
  4. Step 4: Simplify right side
    605.71x = 497,874.47
  5. Step 5: Solve for x
    x = 497,874.47/605.71
  6. Step 6: Final answer
    x = 821.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.