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Finding the Fourth Proportional to 410.74, 616.02 and 122.20

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Solution

The fourth proportional to 410.74, 616.02 and 122.20 is: 183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.74 : 616.02 = 122.20 : x
  2. Step 2: Convert to fraction form
    410.74/616.02 = 122.20/x
  3. Step 3: Cross multiply
    410.74x = 616.02 × 122.20
  4. Step 4: Simplify right side
    410.74x = 75,277.64
  5. Step 5: Solve for x
    x = 75,277.64/410.74
  6. Step 6: Final answer
    x = 183.27

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