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Finding the Fourth Proportional to 362.23, 499.58 and 222.34

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Solution

The fourth proportional to 362.23, 499.58 and 222.34 is: 306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.23 : 499.58 = 222.34 : x
  2. Step 2: Convert to fraction form
    362.23/499.58 = 222.34/x
  3. Step 3: Cross multiply
    362.23x = 499.58 × 222.34
  4. Step 4: Simplify right side
    362.23x = 111,074.12
  5. Step 5: Solve for x
    x = 111,074.12/362.23
  6. Step 6: Final answer
    x = 306.64

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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.