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Finding the Fourth Proportional to 560.87, 840.54 and 267.97

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Solution

The fourth proportional to 560.87, 840.54 and 267.97 is: 401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.87 : 840.54 = 267.97 : x
  2. Step 2: Convert to fraction form
    560.87/840.54 = 267.97/x
  3. Step 3: Cross multiply
    560.87x = 840.54 × 267.97
  4. Step 4: Simplify right side
    560.87x = 225,235.30
  5. Step 5: Solve for x
    x = 225,235.30/560.87
  6. Step 6: Final answer
    x = 401.59

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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.