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Finding the Fourth Proportional to 633, 949.56 and 560.55

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Solution

The fourth proportional to 633, 949.56 and 560.55 is: 840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    633 : 949.56 = 560.55 : x
  2. Step 2: Convert to fraction form
    633/949.56 = 560.55/x
  3. Step 3: Cross multiply
    633x = 949.56 × 560.55
  4. Step 4: Simplify right side
    633x = 532,275.86
  5. Step 5: Solve for x
    x = 532,275.86/633
  6. Step 6: Final answer
    x = 840.88

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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.