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Finding the Fourth Proportional to 579.18, 868.92 and 168.35

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Solution

The fourth proportional to 579.18, 868.92 and 168.35 is: 252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.18 : 868.92 = 168.35 : x
  2. Step 2: Convert to fraction form
    579.18/868.92 = 168.35/x
  3. Step 3: Cross multiply
    579.18x = 868.92 × 168.35
  4. Step 4: Simplify right side
    579.18x = 146,278.34
  5. Step 5: Solve for x
    x = 146,278.34/579.18
  6. Step 6: Final answer
    x = 252.56

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