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Finding the Fourth Proportional to 434.28, 651.69 and 229.00

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Solution

The fourth proportional to 434.28, 651.69 and 229.00 is: 343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.28 : 651.69 = 229.00 : x
  2. Step 2: Convert to fraction form
    434.28/651.69 = 229.00/x
  3. Step 3: Cross multiply
    434.28x = 651.69 × 229.00
  4. Step 4: Simplify right side
    434.28x = 149,234.52
  5. Step 5: Solve for x
    x = 149,234.52/434.28
  6. Step 6: Final answer
    x = 343.63

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