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Finding the Fourth Proportional to 367.30, 551.04 and 136.19

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Solution

The fourth proportional to 367.30, 551.04 and 136.19 is: 204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.30 : 551.04 = 136.19 : x
  2. Step 2: Convert to fraction form
    367.30/551.04 = 136.19/x
  3. Step 3: Cross multiply
    367.30x = 551.04 × 136.19
  4. Step 4: Simplify right side
    367.30x = 75,048.35
  5. Step 5: Solve for x
    x = 75,048.35/367.30
  6. Step 6: Final answer
    x = 204.33

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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.