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Finding the Fourth Proportional to 550.44, 824.72 and 333.90

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Solution

The fourth proportional to 550.44, 824.72 and 333.90 is: 500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.44 : 824.72 = 333.90 : x
  2. Step 2: Convert to fraction form
    550.44/824.72 = 333.90/x
  3. Step 3: Cross multiply
    550.44x = 824.72 × 333.90
  4. Step 4: Simplify right side
    550.44x = 275,372.34
  5. Step 5: Solve for x
    x = 275,372.34/550.44
  6. Step 6: Final answer
    x = 500.28

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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.