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Finding the Fourth Proportional to 449.73, 674.04 and 160.83

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Solution

The fourth proportional to 449.73, 674.04 and 160.83 is: 241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.73 : 674.04 = 160.83 : x
  2. Step 2: Convert to fraction form
    449.73/674.04 = 160.83/x
  3. Step 3: Cross multiply
    449.73x = 674.04 × 160.83
  4. Step 4: Simplify right side
    449.73x = 108,405.85
  5. Step 5: Solve for x
    x = 108,405.85/449.73
  6. Step 6: Final answer
    x = 241.05

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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.