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Finding the Fourth Proportional to 326.59, 489.89 and 294.19

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Solution

The fourth proportional to 326.59, 489.89 and 294.19 is: 441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.59 : 489.89 = 294.19 : x
  2. Step 2: Convert to fraction form
    326.59/489.89 = 294.19/x
  3. Step 3: Cross multiply
    326.59x = 489.89 × 294.19
  4. Step 4: Simplify right side
    326.59x = 144,119.27
  5. Step 5: Solve for x
    x = 144,119.27/326.59
  6. Step 6: Final answer
    x = 441.29

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