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Finding the Fourth Proportional to 362.25, 499.78 and 237.98

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Solution

The fourth proportional to 362.25, 499.78 and 237.98 is: 328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.25 : 499.78 = 237.98 : x
  2. Step 2: Convert to fraction form
    362.25/499.78 = 237.98/x
  3. Step 3: Cross multiply
    362.25x = 499.78 × 237.98
  4. Step 4: Simplify right side
    362.25x = 118,937.05
  5. Step 5: Solve for x
    x = 118,937.05/362.25
  6. Step 6: Final answer
    x = 328.33

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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.