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Finding the Fourth Proportional to 490.02, 733.47 and 273.06

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Solution

The fourth proportional to 490.02, 733.47 and 273.06 is: 408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    490.02 : 733.47 = 273.06 : x
  2. Step 2: Convert to fraction form
    490.02/733.47 = 273.06/x
  3. Step 3: Cross multiply
    490.02x = 733.47 × 273.06
  4. Step 4: Simplify right side
    490.02x = 200,281.32
  5. Step 5: Solve for x
    x = 200,281.32/490.02
  6. Step 6: Final answer
    x = 408.72

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