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Finding the Fourth Proportional to 366.92, 550.54 and 220.96

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Solution

The fourth proportional to 366.92, 550.54 and 220.96 is: 331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.92 : 550.54 = 220.96 : x
  2. Step 2: Convert to fraction form
    366.92/550.54 = 220.96/x
  3. Step 3: Cross multiply
    366.92x = 550.54 × 220.96
  4. Step 4: Simplify right side
    366.92x = 121,647.32
  5. Step 5: Solve for x
    x = 121,647.32/366.92
  6. Step 6: Final answer
    x = 331.54

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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.