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Finding the Fourth Proportional to 368.36, 552.12 and 162.92

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Solution

The fourth proportional to 368.36, 552.12 and 162.92 is: 244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.36 : 552.12 = 162.92 : x
  2. Step 2: Convert to fraction form
    368.36/552.12 = 162.92/x
  3. Step 3: Cross multiply
    368.36x = 552.12 × 162.92
  4. Step 4: Simplify right side
    368.36x = 89,951.39
  5. Step 5: Solve for x
    x = 89,951.39/368.36
  6. Step 6: Final answer
    x = 244.19

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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.