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Finding the Fourth Proportional to 267.13, 400.08 and 151.30

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Solution

The fourth proportional to 267.13, 400.08 and 151.30 is: 226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.13 : 400.08 = 151.30 : x
  2. Step 2: Convert to fraction form
    267.13/400.08 = 151.30/x
  3. Step 3: Cross multiply
    267.13x = 400.08 × 151.30
  4. Step 4: Simplify right side
    267.13x = 60,532.10
  5. Step 5: Solve for x
    x = 60,532.10/267.13
  6. Step 6: Final answer
    x = 226.60

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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.