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Finding the Fourth Proportional to 655.42, 983.12 and 222.88

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Solution

The fourth proportional to 655.42, 983.12 and 222.88 is: 334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.42 : 983.12 = 222.88 : x
  2. Step 2: Convert to fraction form
    655.42/983.12 = 222.88/x
  3. Step 3: Cross multiply
    655.42x = 983.12 × 222.88
  4. Step 4: Simplify right side
    655.42x = 219,117.79
  5. Step 5: Solve for x
    x = 219,117.79/655.42
  6. Step 6: Final answer
    x = 334.32

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