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Finding the Fourth Proportional to 368.24, 552.47 and 229.32

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Solution

The fourth proportional to 368.24, 552.47 and 229.32 is: 344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.24 : 552.47 = 229.32 : x
  2. Step 2: Convert to fraction form
    368.24/552.47 = 229.32/x
  3. Step 3: Cross multiply
    368.24x = 552.47 × 229.32
  4. Step 4: Simplify right side
    368.24x = 126,691.27
  5. Step 5: Solve for x
    x = 126,691.27/368.24
  6. Step 6: Final answer
    x = 344.05

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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.