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Finding the Fourth Proportional to 367.50, 551.36 and 237.66

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Solution

The fourth proportional to 367.50, 551.36 and 237.66 is: 356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.50 : 551.36 = 237.66 : x
  2. Step 2: Convert to fraction form
    367.50/551.36 = 237.66/x
  3. Step 3: Cross multiply
    367.50x = 551.36 × 237.66
  4. Step 4: Simplify right side
    367.50x = 131,036.22
  5. Step 5: Solve for x
    x = 131,036.22/367.50
  6. Step 6: Final answer
    x = 356.56

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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.