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Finding the Fourth Proportional to 305.92, 458.52 and 161.38

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Solution

The fourth proportional to 305.92, 458.52 and 161.38 is: 241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    305.92 : 458.52 = 161.38 : x
  2. Step 2: Convert to fraction form
    305.92/458.52 = 161.38/x
  3. Step 3: Cross multiply
    305.92x = 458.52 × 161.38
  4. Step 4: Simplify right side
    305.92x = 73,995.96
  5. Step 5: Solve for x
    x = 73,995.96/305.92
  6. Step 6: Final answer
    x = 241.88

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