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Finding the Fourth Proportional to 235.98, 353.52 and 192.42

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Solution

The fourth proportional to 235.98, 353.52 and 192.42 is: 288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.98 : 353.52 = 192.42 : x
  2. Step 2: Convert to fraction form
    235.98/353.52 = 192.42/x
  3. Step 3: Cross multiply
    235.98x = 353.52 × 192.42
  4. Step 4: Simplify right side
    235.98x = 68,024.32
  5. Step 5: Solve for x
    x = 68,024.32/235.98
  6. Step 6: Final answer
    x = 288.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.