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Finding the Fourth Proportional to 288.75, 398.33 and 183.84

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Solution

The fourth proportional to 288.75, 398.33 and 183.84 is: 253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288.75 : 398.33 = 183.84 : x
  2. Step 2: Convert to fraction form
    288.75/398.33 = 183.84/x
  3. Step 3: Cross multiply
    288.75x = 398.33 × 183.84
  4. Step 4: Simplify right side
    288.75x = 73,230.88
  5. Step 5: Solve for x
    x = 73,230.88/288.75
  6. Step 6: Final answer
    x = 253.61

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