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Finding the Fourth Proportional to 449.80, 675.00 and 244.43

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Solution

The fourth proportional to 449.80, 675.00 and 244.43 is: 366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.80 : 675.00 = 244.43 : x
  2. Step 2: Convert to fraction form
    449.80/675.00 = 244.43/x
  3. Step 3: Cross multiply
    449.80x = 675.00 × 244.43
  4. Step 4: Simplify right side
    449.80x = 164,989.03
  5. Step 5: Solve for x
    x = 164,989.03/449.80
  6. Step 6: Final answer
    x = 366.81

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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.