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Finding the Fourth Proportional to 559.72, 772.44 and 326.92

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Solution

The fourth proportional to 559.72, 772.44 and 326.92 is: 451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.72 : 772.44 = 326.92 : x
  2. Step 2: Convert to fraction form
    559.72/772.44 = 326.92/x
  3. Step 3: Cross multiply
    559.72x = 772.44 × 326.92
  4. Step 4: Simplify right side
    559.72x = 252,526.08
  5. Step 5: Solve for x
    x = 252,526.08/559.72
  6. Step 6: Final answer
    x = 451.17

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