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Finding the Fourth Proportional to 367.08, 550.20 and 161.34

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Solution

The fourth proportional to 367.08, 550.20 and 161.34 is: 241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.08 : 550.20 = 161.34 : x
  2. Step 2: Convert to fraction form
    367.08/550.20 = 161.34/x
  3. Step 3: Cross multiply
    367.08x = 550.20 × 161.34
  4. Step 4: Simplify right side
    367.08x = 88,769.27
  5. Step 5: Solve for x
    x = 88,769.27/367.08
  6. Step 6: Final answer
    x = 241.83

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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.