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Finding the Fourth Proportional to 298.86, 448.41 and 196.14

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Solution

The fourth proportional to 298.86, 448.41 and 196.14 is: 294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.86 : 448.41 = 196.14 : x
  2. Step 2: Convert to fraction form
    298.86/448.41 = 196.14/x
  3. Step 3: Cross multiply
    298.86x = 448.41 × 196.14
  4. Step 4: Simplify right side
    298.86x = 87,951.14
  5. Step 5: Solve for x
    x = 87,951.14/298.86
  6. Step 6: Final answer
    x = 294.29

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