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Finding the Fourth Proportional to 511.96, 767.16 and 223

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Solution

The fourth proportional to 511.96, 767.16 and 223 is: 334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.96 : 767.16 = 223 : x
  2. Step 2: Convert to fraction form
    511.96/767.16 = 223/x
  3. Step 3: Cross multiply
    511.96x = 767.16 × 223
  4. Step 4: Simplify right side
    511.96x = 171,076.68
  5. Step 5: Solve for x
    x = 171,076.68/511.96
  6. Step 6: Final answer
    x = 334.16

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