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Finding the Fourth Proportional to 217.53, 300.08 and 134.64

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Solution

The fourth proportional to 217.53, 300.08 and 134.64 is: 185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.53 : 300.08 = 134.64 : x
  2. Step 2: Convert to fraction form
    217.53/300.08 = 134.64/x
  3. Step 3: Cross multiply
    217.53x = 300.08 × 134.64
  4. Step 4: Simplify right side
    217.53x = 40,402.10
  5. Step 5: Solve for x
    x = 40,402.10/217.53
  6. Step 6: Final answer
    x = 185.73

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