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Finding the Fourth Proportional to 308.92, 463.25 and 126.19

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Solution

The fourth proportional to 308.92, 463.25 and 126.19 is: 189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.92 : 463.25 = 126.19 : x
  2. Step 2: Convert to fraction form
    308.92/463.25 = 126.19/x
  3. Step 3: Cross multiply
    308.92x = 463.25 × 126.19
  4. Step 4: Simplify right side
    308.92x = 58,457.52
  5. Step 5: Solve for x
    x = 58,457.52/308.92
  6. Step 6: Final answer
    x = 189.23

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