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Finding the Fourth Proportional to 335.22, 502.94 and 100.97

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Solution

The fourth proportional to 335.22, 502.94 and 100.97 is: 151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.22 : 502.94 = 100.97 : x
  2. Step 2: Convert to fraction form
    335.22/502.94 = 100.97/x
  3. Step 3: Cross multiply
    335.22x = 502.94 × 100.97
  4. Step 4: Simplify right side
    335.22x = 50,778.83
  5. Step 5: Solve for x
    x = 50,778.83/335.22
  6. Step 6: Final answer
    x = 151.48

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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.