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Finding the Fourth Proportional to 627.56, 934.31 and 624.52

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Solution

The fourth proportional to 627.56, 934.31 and 624.52 is: 929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.56 : 934.31 = 624.52 : x
  2. Step 2: Convert to fraction form
    627.56/934.31 = 624.52/x
  3. Step 3: Cross multiply
    627.56x = 934.31 × 624.52
  4. Step 4: Simplify right side
    627.56x = 583,495.28
  5. Step 5: Solve for x
    x = 583,495.28/627.56
  6. Step 6: Final answer
    x = 929.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.