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Finding the Fourth Proportional to 312.27, 468.43 and 183.75

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Solution

The fourth proportional to 312.27, 468.43 and 183.75 is: 275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.27 : 468.43 = 183.75 : x
  2. Step 2: Convert to fraction form
    312.27/468.43 = 183.75/x
  3. Step 3: Cross multiply
    312.27x = 468.43 × 183.75
  4. Step 4: Simplify right side
    312.27x = 86,073.09
  5. Step 5: Solve for x
    x = 86,073.09/312.27
  6. Step 6: Final answer
    x = 275.64

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