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Finding the Fourth Proportional to 367.17, 550.35 and 150.56

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Solution

The fourth proportional to 367.17, 550.35 and 150.56 is: 225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.17 : 550.35 = 150.56 : x
  2. Step 2: Convert to fraction form
    367.17/550.35 = 150.56/x
  3. Step 3: Cross multiply
    367.17x = 550.35 × 150.56
  4. Step 4: Simplify right side
    367.17x = 82,862.07
  5. Step 5: Solve for x
    x = 82,862.07/367.17
  6. Step 6: Final answer
    x = 225.68

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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.