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Finding the Fourth Proportional to 298.05, 447.23 and 161.07

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Solution

The fourth proportional to 298.05, 447.23 and 161.07 is: 241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.05 : 447.23 = 161.07 : x
  2. Step 2: Convert to fraction form
    298.05/447.23 = 161.07/x
  3. Step 3: Cross multiply
    298.05x = 447.23 × 161.07
  4. Step 4: Simplify right side
    298.05x = 72,035.34
  5. Step 5: Solve for x
    x = 72,035.34/298.05
  6. Step 6: Final answer
    x = 241.69

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