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Finding the Fourth Proportional to 314.25, 470.94 and 267.73

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Solution

The fourth proportional to 314.25, 470.94 and 267.73 is: 401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.25 : 470.94 = 267.73 : x
  2. Step 2: Convert to fraction form
    314.25/470.94 = 267.73/x
  3. Step 3: Cross multiply
    314.25x = 470.94 × 267.73
  4. Step 4: Simplify right side
    314.25x = 126,083.43
  5. Step 5: Solve for x
    x = 126,083.43/314.25
  6. Step 6: Final answer
    x = 401.23

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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.