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Finding the Fourth Proportional to 449.82, 674.81 and 161.19

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Solution

The fourth proportional to 449.82, 674.81 and 161.19 is: 241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.82 : 674.81 = 161.19 : x
  2. Step 2: Convert to fraction form
    449.82/674.81 = 161.19/x
  3. Step 3: Cross multiply
    449.82x = 674.81 × 161.19
  4. Step 4: Simplify right side
    449.82x = 108,772.62
  5. Step 5: Solve for x
    x = 108,772.62/449.82
  6. Step 6: Final answer
    x = 241.81

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