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Finding the Fourth Proportional to 558.73, 771.12 and 534.13

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Solution

The fourth proportional to 558.73, 771.12 and 534.13 is: 737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.73 : 771.12 = 534.13 : x
  2. Step 2: Convert to fraction form
    558.73/771.12 = 534.13/x
  3. Step 3: Cross multiply
    558.73x = 771.12 × 534.13
  4. Step 4: Simplify right side
    558.73x = 411,876.40
  5. Step 5: Solve for x
    x = 411,876.40/558.73
  6. Step 6: Final answer
    x = 737.16

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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.