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Finding the Fourth Proportional to 366.80, 550.96 and 354.50

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Solution

The fourth proportional to 366.80, 550.96 and 354.50 is: 532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.80 : 550.96 = 354.50 : x
  2. Step 2: Convert to fraction form
    366.80/550.96 = 354.50/x
  3. Step 3: Cross multiply
    366.80x = 550.96 × 354.50
  4. Step 4: Simplify right side
    366.80x = 195,313.94
  5. Step 5: Solve for x
    x = 195,313.94/366.80
  6. Step 6: Final answer
    x = 532.48

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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.