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Finding the Fourth Proportional to 233.43, 322.02 and 196.58

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Solution

The fourth proportional to 233.43, 322.02 and 196.58 is: 271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.43 : 322.02 = 196.58 : x
  2. Step 2: Convert to fraction form
    233.43/322.02 = 196.58/x
  3. Step 3: Cross multiply
    233.43x = 322.02 × 196.58
  4. Step 4: Simplify right side
    233.43x = 63,301.08
  5. Step 5: Solve for x
    x = 63,301.08/233.43
  6. Step 6: Final answer
    x = 271.18

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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.