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Finding the Fourth Proportional to 367.10, 550.41 and 328.70

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Solution

The fourth proportional to 367.10, 550.41 and 328.70 is: 492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.10 : 550.41 = 328.70 : x
  2. Step 2: Convert to fraction form
    367.10/550.41 = 328.70/x
  3. Step 3: Cross multiply
    367.10x = 550.41 × 328.70
  4. Step 4: Simplify right side
    367.10x = 180,919.77
  5. Step 5: Solve for x
    x = 180,919.77/367.10
  6. Step 6: Final answer
    x = 492.84

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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.