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Finding the Fourth Proportional to 267, 400.16 and 151.36

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Solution

The fourth proportional to 267, 400.16 and 151.36 is: 226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267 : 400.16 = 151.36 : x
  2. Step 2: Convert to fraction form
    267/400.16 = 151.36/x
  3. Step 3: Cross multiply
    267x = 400.16 × 151.36
  4. Step 4: Simplify right side
    267x = 60,568.22
  5. Step 5: Solve for x
    x = 60,568.22/267
  6. Step 6: Final answer
    x = 226.85

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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.