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Finding the Fourth Proportional to 242.83, 364.92 and 226.42

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Solution

The fourth proportional to 242.83, 364.92 and 226.42 is: 340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.83 : 364.92 = 226.42 : x
  2. Step 2: Convert to fraction form
    242.83/364.92 = 226.42/x
  3. Step 3: Cross multiply
    242.83x = 364.92 × 226.42
  4. Step 4: Simplify right side
    242.83x = 82,625.19
  5. Step 5: Solve for x
    x = 82,625.19/242.83
  6. Step 6: Final answer
    x = 340.26

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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.