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Finding the Fourth Proportional to 378.29, 567.41 and 134.75

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Solution

The fourth proportional to 378.29, 567.41 and 134.75 is: 202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    378.29 : 567.41 = 134.75 : x
  2. Step 2: Convert to fraction form
    378.29/567.41 = 134.75/x
  3. Step 3: Cross multiply
    378.29x = 567.41 × 134.75
  4. Step 4: Simplify right side
    378.29x = 76,454.99
  5. Step 5: Solve for x
    x = 76,454.99/378.29
  6. Step 6: Final answer
    x = 202.11

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