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Finding the Fourth Proportional to 441.03, 660.82 and 267.75

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Solution

The fourth proportional to 441.03, 660.82 and 267.75 is: 401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.03 : 660.82 = 267.75 : x
  2. Step 2: Convert to fraction form
    441.03/660.82 = 267.75/x
  3. Step 3: Cross multiply
    441.03x = 660.82 × 267.75
  4. Step 4: Simplify right side
    441.03x = 176,934.56
  5. Step 5: Solve for x
    x = 176,934.56/441.03
  6. Step 6: Final answer
    x = 401.18

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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.