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Finding the Fourth Proportional to 346.11, 519.06 and 129.63

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Solution

The fourth proportional to 346.11, 519.06 and 129.63 is: 194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.11 : 519.06 = 129.63 : x
  2. Step 2: Convert to fraction form
    346.11/519.06 = 129.63/x
  3. Step 3: Cross multiply
    346.11x = 519.06 × 129.63
  4. Step 4: Simplify right side
    346.11x = 67,285.75
  5. Step 5: Solve for x
    x = 67,285.75/346.11
  6. Step 6: Final answer
    x = 194.41

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