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Finding the Fourth Proportional to 204.42, 306.60 and 67.45

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Solution

The fourth proportional to 204.42, 306.60 and 67.45 is: 101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.42 : 306.60 = 67.45 : x
  2. Step 2: Convert to fraction form
    204.42/306.60 = 67.45/x
  3. Step 3: Cross multiply
    204.42x = 306.60 × 67.45
  4. Step 4: Simplify right side
    204.42x = 20,680.17
  5. Step 5: Solve for x
    x = 20,680.17/204.42
  6. Step 6: Final answer
    x = 101.17

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