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Finding the Fourth Proportional to 367.35, 550.94 and 133.05

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Solution

The fourth proportional to 367.35, 550.94 and 133.05 is: 199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.35 : 550.94 = 133.05 : x
  2. Step 2: Convert to fraction form
    367.35/550.94 = 133.05/x
  3. Step 3: Cross multiply
    367.35x = 550.94 × 133.05
  4. Step 4: Simplify right side
    367.35x = 73,301.90
  5. Step 5: Solve for x
    x = 73,301.90/367.35
  6. Step 6: Final answer
    x = 199.54

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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.