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Finding the Fourth Proportional to 362.16, 499.68 and 214.92

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Solution

The fourth proportional to 362.16, 499.68 and 214.92 is: 296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.16 : 499.68 = 214.92 : x
  2. Step 2: Convert to fraction form
    362.16/499.68 = 214.92/x
  3. Step 3: Cross multiply
    362.16x = 499.68 × 214.92
  4. Step 4: Simplify right side
    362.16x = 107,391.23
  5. Step 5: Solve for x
    x = 107,391.23/362.16
  6. Step 6: Final answer
    x = 296.53

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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.