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Finding the Fourth Proportional to 627.36, 861.10 and 600.62

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Solution

The fourth proportional to 627.36, 861.10 and 600.62 is: 824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.36 : 861.10 = 600.62 : x
  2. Step 2: Convert to fraction form
    627.36/861.10 = 600.62/x
  3. Step 3: Cross multiply
    627.36x = 861.10 × 600.62
  4. Step 4: Simplify right side
    627.36x = 517,193.88
  5. Step 5: Solve for x
    x = 517,193.88/627.36
  6. Step 6: Final answer
    x = 824.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.