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Finding the Fourth Proportional to 286.04, 394.72 and 169.60

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Solution

The fourth proportional to 286.04, 394.72 and 169.60 is: 234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286.04 : 394.72 = 169.60 : x
  2. Step 2: Convert to fraction form
    286.04/394.72 = 169.60/x
  3. Step 3: Cross multiply
    286.04x = 394.72 × 169.60
  4. Step 4: Simplify right side
    286.04x = 66,944.51
  5. Step 5: Solve for x
    x = 66,944.51/286.04
  6. Step 6: Final answer
    x = 234.04

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