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Finding the Fourth Proportional to 233.36, 322.05 and 191.79

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Solution

The fourth proportional to 233.36, 322.05 and 191.79 is: 264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.36 : 322.05 = 191.79 : x
  2. Step 2: Convert to fraction form
    233.36/322.05 = 191.79/x
  3. Step 3: Cross multiply
    233.36x = 322.05 × 191.79
  4. Step 4: Simplify right side
    233.36x = 61,765.97
  5. Step 5: Solve for x
    x = 61,765.97/233.36
  6. Step 6: Final answer
    x = 264.68

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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.