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Finding the Fourth Proportional to 456.62, 685.03 and 168.05

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Solution

The fourth proportional to 456.62, 685.03 and 168.05 is: 252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.62 : 685.03 = 168.05 : x
  2. Step 2: Convert to fraction form
    456.62/685.03 = 168.05/x
  3. Step 3: Cross multiply
    456.62x = 685.03 × 168.05
  4. Step 4: Simplify right side
    456.62x = 115,119.29
  5. Step 5: Solve for x
    x = 115,119.29/456.62
  6. Step 6: Final answer
    x = 252.11

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