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Finding the Fourth Proportional to 367.10, 550.78 and 150.70

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Solution

The fourth proportional to 367.10, 550.78 and 150.70 is: 226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.10 : 550.78 = 150.70 : x
  2. Step 2: Convert to fraction form
    367.10/550.78 = 150.70/x
  3. Step 3: Cross multiply
    367.10x = 550.78 × 150.70
  4. Step 4: Simplify right side
    367.10x = 83,002.55
  5. Step 5: Solve for x
    x = 83,002.55/367.10
  6. Step 6: Final answer
    x = 226.10

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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.