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Finding the Fourth Proportional to 367.27, 551.04 and 161.69

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Solution

The fourth proportional to 367.27, 551.04 and 161.69 is: 242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.27 : 551.04 = 161.69 : x
  2. Step 2: Convert to fraction form
    367.27/551.04 = 161.69/x
  3. Step 3: Cross multiply
    367.27x = 551.04 × 161.69
  4. Step 4: Simplify right side
    367.27x = 89,098.88
  5. Step 5: Solve for x
    x = 89,098.88/367.27
  6. Step 6: Final answer
    x = 242.60

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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.