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Finding the Fourth Proportional to 615.06, 922.62 and 204.20

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Solution

The fourth proportional to 615.06, 922.62 and 204.20 is: 306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.06 : 922.62 = 204.20 : x
  2. Step 2: Convert to fraction form
    615.06/922.62 = 204.20/x
  3. Step 3: Cross multiply
    615.06x = 922.62 × 204.20
  4. Step 4: Simplify right side
    615.06x = 188,394.39
  5. Step 5: Solve for x
    x = 188,394.39/615.06
  6. Step 6: Final answer
    x = 306.30

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