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Finding the Fourth Proportional to 367.52, 550.72 and 239

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Solution

The fourth proportional to 367.52, 550.72 and 239 is: 358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.52 : 550.72 = 239 : x
  2. Step 2: Convert to fraction form
    367.52/550.72 = 239/x
  3. Step 3: Cross multiply
    367.52x = 550.72 × 239
  4. Step 4: Simplify right side
    367.52x = 131,622.08
  5. Step 5: Solve for x
    x = 131,622.08/367.52
  6. Step 6: Final answer
    x = 358.14

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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.