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Finding the Fourth Proportional to 229.04, 343.61 and 66.73

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Solution

The fourth proportional to 229.04, 343.61 and 66.73 is: 100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.04 : 343.61 = 66.73 : x
  2. Step 2: Convert to fraction form
    229.04/343.61 = 66.73/x
  3. Step 3: Cross multiply
    229.04x = 343.61 × 66.73
  4. Step 4: Simplify right side
    229.04x = 22,929.10
  5. Step 5: Solve for x
    x = 22,929.10/229.04
  6. Step 6: Final answer
    x = 100.11

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