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Finding the Fourth Proportional to 297.11, 410.18 and 233.97

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Solution

The fourth proportional to 297.11, 410.18 and 233.97 is: 323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.11 : 410.18 = 233.97 : x
  2. Step 2: Convert to fraction form
    297.11/410.18 = 233.97/x
  3. Step 3: Cross multiply
    297.11x = 410.18 × 233.97
  4. Step 4: Simplify right side
    297.11x = 95,968.64
  5. Step 5: Solve for x
    x = 95,968.64/297.11
  6. Step 6: Final answer
    x = 323.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.