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Finding the Fourth Proportional to 344.46, 515.97 and 267.15

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Solution

The fourth proportional to 344.46, 515.97 and 267.15 is: 400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.46 : 515.97 = 267.15 : x
  2. Step 2: Convert to fraction form
    344.46/515.97 = 267.15/x
  3. Step 3: Cross multiply
    344.46x = 515.97 × 267.15
  4. Step 4: Simplify right side
    344.46x = 137,841.39
  5. Step 5: Solve for x
    x = 137,841.39/344.46
  6. Step 6: Final answer
    x = 400.17

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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.