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Finding the Fourth Proportional to 454.14, 680.60 and 248.76

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Solution

The fourth proportional to 454.14, 680.60 and 248.76 is: 372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.14 : 680.60 = 248.76 : x
  2. Step 2: Convert to fraction form
    454.14/680.60 = 248.76/x
  3. Step 3: Cross multiply
    454.14x = 680.60 × 248.76
  4. Step 4: Simplify right side
    454.14x = 169,306.06
  5. Step 5: Solve for x
    x = 169,306.06/454.14
  6. Step 6: Final answer
    x = 372.81

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