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Finding the Fourth Proportional to 267.07, 399.58 and 151.57

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Solution

The fourth proportional to 267.07, 399.58 and 151.57 is: 226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.07 : 399.58 = 151.57 : x
  2. Step 2: Convert to fraction form
    267.07/399.58 = 151.57/x
  3. Step 3: Cross multiply
    267.07x = 399.58 × 151.57
  4. Step 4: Simplify right side
    267.07x = 60,564.00
  5. Step 5: Solve for x
    x = 60,564.00/267.07
  6. Step 6: Final answer
    x = 226.77

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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.