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Finding the Fourth Proportional to 308.50, 425.73 and 192.13

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Solution

The fourth proportional to 308.50, 425.73 and 192.13 is: 265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.50 : 425.73 = 192.13 : x
  2. Step 2: Convert to fraction form
    308.50/425.73 = 192.13/x
  3. Step 3: Cross multiply
    308.50x = 425.73 × 192.13
  4. Step 4: Simplify right side
    308.50x = 81,795.50
  5. Step 5: Solve for x
    x = 81,795.50/308.50
  6. Step 6: Final answer
    x = 265.14

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