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Finding the Fourth Proportional to 409.92, 565.97 and 326.84

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Solution

The fourth proportional to 409.92, 565.97 and 326.84 is: 451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.92 : 565.97 = 326.84 : x
  2. Step 2: Convert to fraction form
    409.92/565.97 = 326.84/x
  3. Step 3: Cross multiply
    409.92x = 565.97 × 326.84
  4. Step 4: Simplify right side
    409.92x = 184,977.17
  5. Step 5: Solve for x
    x = 184,977.17/409.92
  6. Step 6: Final answer
    x = 451.25

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