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Finding the Fourth Proportional to 342.25, 513.26 and 179.84

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Solution

The fourth proportional to 342.25, 513.26 and 179.84 is: 269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.25 : 513.26 = 179.84 : x
  2. Step 2: Convert to fraction form
    342.25/513.26 = 179.84/x
  3. Step 3: Cross multiply
    342.25x = 513.26 × 179.84
  4. Step 4: Simplify right side
    342.25x = 92,305.13
  5. Step 5: Solve for x
    x = 92,305.13/342.25
  6. Step 6: Final answer
    x = 269.70

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