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Finding the Fourth Proportional to 414.01, 620.88 and 170.43

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Solution

The fourth proportional to 414.01, 620.88 and 170.43 is: 255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.01 : 620.88 = 170.43 : x
  2. Step 2: Convert to fraction form
    414.01/620.88 = 170.43/x
  3. Step 3: Cross multiply
    414.01x = 620.88 × 170.43
  4. Step 4: Simplify right side
    414.01x = 105,816.58
  5. Step 5: Solve for x
    x = 105,816.58/414.01
  6. Step 6: Final answer
    x = 255.59

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