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Finding the Fourth Proportional to 367.38, 551.09 and 150.94

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Solution

The fourth proportional to 367.38, 551.09 and 150.94 is: 226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.38 : 551.09 = 150.94 : x
  2. Step 2: Convert to fraction form
    367.38/551.09 = 150.94/x
  3. Step 3: Cross multiply
    367.38x = 551.09 × 150.94
  4. Step 4: Simplify right side
    367.38x = 83,179.39
  5. Step 5: Solve for x
    x = 83,179.39/367.38
  6. Step 6: Final answer
    x = 226.41

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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.