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Finding the Fourth Proportional to 367.97, 551.97 and 151.56

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Solution

The fourth proportional to 367.97, 551.97 and 151.56 is: 227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.97 : 551.97 = 151.56 : x
  2. Step 2: Convert to fraction form
    367.97/551.97 = 151.56/x
  3. Step 3: Cross multiply
    367.97x = 551.97 × 151.56
  4. Step 4: Simplify right side
    367.97x = 83,656.57
  5. Step 5: Solve for x
    x = 83,656.57/367.97
  6. Step 6: Final answer
    x = 227.35

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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.