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Finding the Fourth Proportional to 267, 368.46 and 150.57

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Solution

The fourth proportional to 267, 368.46 and 150.57 is: 207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267 : 368.46 = 150.57 : x
  2. Step 2: Convert to fraction form
    267/368.46 = 150.57/x
  3. Step 3: Cross multiply
    267x = 368.46 × 150.57
  4. Step 4: Simplify right side
    267x = 55,479.02
  5. Step 5: Solve for x
    x = 55,479.02/267
  6. Step 6: Final answer
    x = 207.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.