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Finding the Fourth Proportional to 701.10, 1,050.64 and 267.75

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Solution

The fourth proportional to 701.10, 1,050.64 and 267.75 is: 401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.10 : 1,050.64 = 267.75 : x
  2. Step 2: Convert to fraction form
    701.10/1,050.64 = 267.75/x
  3. Step 3: Cross multiply
    701.10x = 1,050.64 × 267.75
  4. Step 4: Simplify right side
    701.10x = 281,308.19
  5. Step 5: Solve for x
    x = 281,308.19/701.10
  6. Step 6: Final answer
    x = 401.24

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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.