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Finding the Fourth Proportional to 624.80, 865.77 and 610.44

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Solution

The fourth proportional to 624.80, 865.77 and 610.44 is: 845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.80 : 865.77 = 610.44 : x
  2. Step 2: Convert to fraction form
    624.80/865.77 = 610.44/x
  3. Step 3: Cross multiply
    624.80x = 865.77 × 610.44
  4. Step 4: Simplify right side
    624.80x = 528,500.64
  5. Step 5: Solve for x
    x = 528,500.64/624.80
  6. Step 6: Final answer
    x = 845.88

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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.