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Finding the Fourth Proportional to 627.57, 860.65 and 601.29

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Solution

The fourth proportional to 627.57, 860.65 and 601.29 is: 824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.57 : 860.65 = 601.29 : x
  2. Step 2: Convert to fraction form
    627.57/860.65 = 601.29/x
  3. Step 3: Cross multiply
    627.57x = 860.65 × 601.29
  4. Step 4: Simplify right side
    627.57x = 517,500.24
  5. Step 5: Solve for x
    x = 517,500.24/627.57
  6. Step 6: Final answer
    x = 824.61

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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.