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Finding the Fourth Proportional to 225.03, 337.40 and 80.76

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Solution

The fourth proportional to 225.03, 337.40 and 80.76 is: 121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.03 : 337.40 = 80.76 : x
  2. Step 2: Convert to fraction form
    225.03/337.40 = 80.76/x
  3. Step 3: Cross multiply
    225.03x = 337.40 × 80.76
  4. Step 4: Simplify right side
    225.03x = 27,248.42
  5. Step 5: Solve for x
    x = 27,248.42/225.03
  6. Step 6: Final answer
    x = 121.09

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