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Finding the Fourth Proportional to 279, 385.08 and 168.48

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Solution

The fourth proportional to 279, 385.08 and 168.48 is: 232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279 : 385.08 = 168.48 : x
  2. Step 2: Convert to fraction form
    279/385.08 = 168.48/x
  3. Step 3: Cross multiply
    279x = 385.08 × 168.48
  4. Step 4: Simplify right side
    279x = 64,878.28
  5. Step 5: Solve for x
    x = 64,878.28/279
  6. Step 6: Final answer
    x = 232.54

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