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Finding the Fourth Proportional to 558.62, 771.03 and 532.58

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Solution

The fourth proportional to 558.62, 771.03 and 532.58 is: 735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.62 : 771.03 = 532.58 : x
  2. Step 2: Convert to fraction form
    558.62/771.03 = 532.58/x
  3. Step 3: Cross multiply
    558.62x = 771.03 × 532.58
  4. Step 4: Simplify right side
    558.62x = 410,635.16
  5. Step 5: Solve for x
    x = 410,635.16/558.62
  6. Step 6: Final answer
    x = 735.09

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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.