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Finding the Fourth Proportional to 368.22, 552.27 and 108.24

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Solution

The fourth proportional to 368.22, 552.27 and 108.24 is: 162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.22 : 552.27 = 108.24 : x
  2. Step 2: Convert to fraction form
    368.22/552.27 = 108.24/x
  3. Step 3: Cross multiply
    368.22x = 552.27 × 108.24
  4. Step 4: Simplify right side
    368.22x = 59,777.70
  5. Step 5: Solve for x
    x = 59,777.70/368.22
  6. Step 6: Final answer
    x = 162.34

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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.