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Finding the Fourth Proportional to 609.75, 914.63 and 267.75

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Solution

The fourth proportional to 609.75, 914.63 and 267.75 is: 401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.75 : 914.63 = 267.75 : x
  2. Step 2: Convert to fraction form
    609.75/914.63 = 267.75/x
  3. Step 3: Cross multiply
    609.75x = 914.63 × 267.75
  4. Step 4: Simplify right side
    609.75x = 244,890.84
  5. Step 5: Solve for x
    x = 244,890.84/609.75
  6. Step 6: Final answer
    x = 401.63

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