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Finding the Fourth Proportional to 367.33, 550.91 and 107.28

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Solution

The fourth proportional to 367.33, 550.91 and 107.28 is: 160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.33 : 550.91 = 107.28 : x
  2. Step 2: Convert to fraction form
    367.33/550.91 = 107.28/x
  3. Step 3: Cross multiply
    367.33x = 550.91 × 107.28
  4. Step 4: Simplify right side
    367.33x = 59,099.83
  5. Step 5: Solve for x
    x = 59,099.83/367.33
  6. Step 6: Final answer
    x = 160.89

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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.