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Finding the Fourth Proportional to 267.36, 400.89 and 151.95

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Solution

The fourth proportional to 267.36, 400.89 and 151.95 is: 227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.36 : 400.89 = 151.95 : x
  2. Step 2: Convert to fraction form
    267.36/400.89 = 151.95/x
  3. Step 3: Cross multiply
    267.36x = 400.89 × 151.95
  4. Step 4: Simplify right side
    267.36x = 60,915.24
  5. Step 5: Solve for x
    x = 60,915.24/267.36
  6. Step 6: Final answer
    x = 227.84

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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.