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Finding the Fourth Proportional to 242.24, 334.10 and 193

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Solution

The fourth proportional to 242.24, 334.10 and 193 is: 266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.24 : 334.10 = 193 : x
  2. Step 2: Convert to fraction form
    242.24/334.10 = 193/x
  3. Step 3: Cross multiply
    242.24x = 334.10 × 193
  4. Step 4: Simplify right side
    242.24x = 64,481.30
  5. Step 5: Solve for x
    x = 64,481.30/242.24
  6. Step 6: Final answer
    x = 266.19

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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.