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Finding the Fourth Proportional to 367.82, 551.40 and 237.92

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Solution

The fourth proportional to 367.82, 551.40 and 237.92 is: 356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.82 : 551.40 = 237.92 : x
  2. Step 2: Convert to fraction form
    367.82/551.40 = 237.92/x
  3. Step 3: Cross multiply
    367.82x = 551.40 × 237.92
  4. Step 4: Simplify right side
    367.82x = 131,186.33
  5. Step 5: Solve for x
    x = 131,186.33/367.82
  6. Step 6: Final answer
    x = 356.66

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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.