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Finding the Fourth Proportional to 476.18, 656.68 and 344.96

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Solution

The fourth proportional to 476.18, 656.68 and 344.96 is: 475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.18 : 656.68 = 344.96 : x
  2. Step 2: Convert to fraction form
    476.18/656.68 = 344.96/x
  3. Step 3: Cross multiply
    476.18x = 656.68 × 344.96
  4. Step 4: Simplify right side
    476.18x = 226,528.33
  5. Step 5: Solve for x
    x = 226,528.33/476.18
  6. Step 6: Final answer
    x = 475.72

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