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Finding the Fourth Proportional to 227.76, 340.32 and 186.72

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Solution

The fourth proportional to 227.76, 340.32 and 186.72 is: 279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.76 : 340.32 = 186.72 : x
  2. Step 2: Convert to fraction form
    227.76/340.32 = 186.72/x
  3. Step 3: Cross multiply
    227.76x = 340.32 × 186.72
  4. Step 4: Simplify right side
    227.76x = 63,544.55
  5. Step 5: Solve for x
    x = 63,544.55/227.76
  6. Step 6: Final answer
    x = 279.00

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