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Finding the Fourth Proportional to 308.88, 463.41 and 178.85

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Solution

The fourth proportional to 308.88, 463.41 and 178.85 is: 268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.88 : 463.41 = 178.85 : x
  2. Step 2: Convert to fraction form
    308.88/463.41 = 178.85/x
  3. Step 3: Cross multiply
    308.88x = 463.41 × 178.85
  4. Step 4: Simplify right side
    308.88x = 82,877.67
  5. Step 5: Solve for x
    x = 82,877.67/308.88
  6. Step 6: Final answer
    x = 268.32

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