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Finding the Fourth Proportional to 222.83, 333.75 and 188.46

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Solution

The fourth proportional to 222.83, 333.75 and 188.46 is: 282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.83 : 333.75 = 188.46 : x
  2. Step 2: Convert to fraction form
    222.83/333.75 = 188.46/x
  3. Step 3: Cross multiply
    222.83x = 333.75 × 188.46
  4. Step 4: Simplify right side
    222.83x = 62,898.53
  5. Step 5: Solve for x
    x = 62,898.53/222.83
  6. Step 6: Final answer
    x = 282.28

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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.