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Finding the Fourth Proportional to 293.97, 440.73 and 139.83

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Solution

The fourth proportional to 293.97, 440.73 and 139.83 is: 209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.97 : 440.73 = 139.83 : x
  2. Step 2: Convert to fraction form
    293.97/440.73 = 139.83/x
  3. Step 3: Cross multiply
    293.97x = 440.73 × 139.83
  4. Step 4: Simplify right side
    293.97x = 61,627.28
  5. Step 5: Solve for x
    x = 61,627.28/293.97
  6. Step 6: Final answer
    x = 209.64

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