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Finding the Fourth Proportional to 292.34, 402.24 and 233.36

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Solution

The fourth proportional to 292.34, 402.24 and 233.36 is: 321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.34 : 402.24 = 233.36 : x
  2. Step 2: Convert to fraction form
    292.34/402.24 = 233.36/x
  3. Step 3: Cross multiply
    292.34x = 402.24 × 233.36
  4. Step 4: Simplify right side
    292.34x = 93,866.73
  5. Step 5: Solve for x
    x = 93,866.73/292.34
  6. Step 6: Final answer
    x = 321.09

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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.