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Finding the Fourth Proportional to 363.88, 501.92 and 233.05

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Solution

The fourth proportional to 363.88, 501.92 and 233.05 is: 321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.88 : 501.92 = 233.05 : x
  2. Step 2: Convert to fraction form
    363.88/501.92 = 233.05/x
  3. Step 3: Cross multiply
    363.88x = 501.92 × 233.05
  4. Step 4: Simplify right side
    363.88x = 116,971.29
  5. Step 5: Solve for x
    x = 116,971.29/363.88
  6. Step 6: Final answer
    x = 321.46

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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.