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Finding the Fourth Proportional to 236.62, 357.06 and 228.04

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Solution

The fourth proportional to 236.62, 357.06 and 228.04 is: 344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.62 : 357.06 = 228.04 : x
  2. Step 2: Convert to fraction form
    236.62/357.06 = 228.04/x
  3. Step 3: Cross multiply
    236.62x = 357.06 × 228.04
  4. Step 4: Simplify right side
    236.62x = 81,422.62
  5. Step 5: Solve for x
    x = 81,422.62/236.62
  6. Step 6: Final answer
    x = 344.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.