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Finding the Fourth Proportional to 368.86, 552.84 and 224.68

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Solution

The fourth proportional to 368.86, 552.84 and 224.68 is: 336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.86 : 552.84 = 224.68 : x
  2. Step 2: Convert to fraction form
    368.86/552.84 = 224.68/x
  3. Step 3: Cross multiply
    368.86x = 552.84 × 224.68
  4. Step 4: Simplify right side
    368.86x = 124,212.09
  5. Step 5: Solve for x
    x = 124,212.09/368.86
  6. Step 6: Final answer
    x = 336.75

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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.