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Finding the Fourth Proportional to 493.97, 681.68 and 272.92

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Solution

The fourth proportional to 493.97, 681.68 and 272.92 is: 376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.97 : 681.68 = 272.92 : x
  2. Step 2: Convert to fraction form
    493.97/681.68 = 272.92/x
  3. Step 3: Cross multiply
    493.97x = 681.68 × 272.92
  4. Step 4: Simplify right side
    493.97x = 186,044.11
  5. Step 5: Solve for x
    x = 186,044.11/493.97
  6. Step 6: Final answer
    x = 376.63

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