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Finding the Fourth Proportional to 306.14, 459.19 and 113.75

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Solution

The fourth proportional to 306.14, 459.19 and 113.75 is: 170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.14 : 459.19 = 113.75 : x
  2. Step 2: Convert to fraction form
    306.14/459.19 = 113.75/x
  3. Step 3: Cross multiply
    306.14x = 459.19 × 113.75
  4. Step 4: Simplify right side
    306.14x = 52,232.86
  5. Step 5: Solve for x
    x = 52,232.86/306.14
  6. Step 6: Final answer
    x = 170.62

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