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Finding the Fourth Proportional to 447.87, 619.02 and 395.01

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Solution

The fourth proportional to 447.87, 619.02 and 395.01 is: 545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.87 : 619.02 = 395.01 : x
  2. Step 2: Convert to fraction form
    447.87/619.02 = 395.01/x
  3. Step 3: Cross multiply
    447.87x = 619.02 × 395.01
  4. Step 4: Simplify right side
    447.87x = 244,519.09
  5. Step 5: Solve for x
    x = 244,519.09/447.87
  6. Step 6: Final answer
    x = 545.96

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