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Finding the Fourth Proportional to 376.97, 563.63 and 319.86

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Solution

The fourth proportional to 376.97, 563.63 and 319.86 is: 478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.97 : 563.63 = 319.86 : x
  2. Step 2: Convert to fraction form
    376.97/563.63 = 319.86/x
  3. Step 3: Cross multiply
    376.97x = 563.63 × 319.86
  4. Step 4: Simplify right side
    376.97x = 180,281.09
  5. Step 5: Solve for x
    x = 180,281.09/376.97
  6. Step 6: Final answer
    x = 478.24

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