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Finding the Fourth Proportional to 229.09, 343.86 and 168.05

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Solution

The fourth proportional to 229.09, 343.86 and 168.05 is: 252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.09 : 343.86 = 168.05 : x
  2. Step 2: Convert to fraction form
    229.09/343.86 = 168.05/x
  3. Step 3: Cross multiply
    229.09x = 343.86 × 168.05
  4. Step 4: Simplify right side
    229.09x = 57,784.81
  5. Step 5: Solve for x
    x = 57,784.81/229.09
  6. Step 6: Final answer
    x = 252.24

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