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Finding the Fourth Proportional to 376.28, 564.94 and 253.30

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Solution

The fourth proportional to 376.28, 564.94 and 253.30 is: 380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.28 : 564.94 = 253.30 : x
  2. Step 2: Convert to fraction form
    376.28/564.94 = 253.30/x
  3. Step 3: Cross multiply
    376.28x = 564.94 × 253.30
  4. Step 4: Simplify right side
    376.28x = 143,099.30
  5. Step 5: Solve for x
    x = 143,099.30/376.28
  6. Step 6: Final answer
    x = 380.30

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