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Finding the Fourth Proportional to 558.85, 834.97 and 539.71

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Solution

The fourth proportional to 558.85, 834.97 and 539.71 is: 806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.85 : 834.97 = 539.71 : x
  2. Step 2: Convert to fraction form
    558.85/834.97 = 539.71/x
  3. Step 3: Cross multiply
    558.85x = 834.97 × 539.71
  4. Step 4: Simplify right side
    558.85x = 450,641.66
  5. Step 5: Solve for x
    x = 450,641.66/558.85
  6. Step 6: Final answer
    x = 806.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.