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Finding the Fourth Proportional to 488, 732.34 and 199.44

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Solution

The fourth proportional to 488, 732.34 and 199.44 is: 299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488 : 732.34 = 199.44 : x
  2. Step 2: Convert to fraction form
    488/732.34 = 199.44/x
  3. Step 3: Cross multiply
    488x = 732.34 × 199.44
  4. Step 4: Simplify right side
    488x = 146,057.89
  5. Step 5: Solve for x
    x = 146,057.89/488
  6. Step 6: Final answer
    x = 299.30

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