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Finding the Fourth Proportional to 493.71, 681.25 and 272.62

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Solution

The fourth proportional to 493.71, 681.25 and 272.62 is: 376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.71 : 681.25 = 272.62 : x
  2. Step 2: Convert to fraction form
    493.71/681.25 = 272.62/x
  3. Step 3: Cross multiply
    493.71x = 681.25 × 272.62
  4. Step 4: Simplify right side
    493.71x = 185,718.84
  5. Step 5: Solve for x
    x = 185,718.84/493.71
  6. Step 6: Final answer
    x = 376.17

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