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Finding the Fourth Proportional to 275.73, 380.23 and 192.81

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Solution

The fourth proportional to 275.73, 380.23 and 192.81 is: 265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.73 : 380.23 = 192.81 : x
  2. Step 2: Convert to fraction form
    275.73/380.23 = 192.81/x
  3. Step 3: Cross multiply
    275.73x = 380.23 × 192.81
  4. Step 4: Simplify right side
    275.73x = 73,311.18
  5. Step 5: Solve for x
    x = 73,311.18/275.73
  6. Step 6: Final answer
    x = 265.88

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