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Finding the Fourth Proportional to 626.94, 938.61 and 473.49

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Solution

The fourth proportional to 626.94, 938.61 and 473.49 is: 708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.94 : 938.61 = 473.49 : x
  2. Step 2: Convert to fraction form
    626.94/938.61 = 473.49/x
  3. Step 3: Cross multiply
    626.94x = 938.61 × 473.49
  4. Step 4: Simplify right side
    626.94x = 444,422.45
  5. Step 5: Solve for x
    x = 444,422.45/626.94
  6. Step 6: Final answer
    x = 708.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.