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Finding the Fourth Proportional to 368.08, 552.42 and 194.94

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Solution

The fourth proportional to 368.08, 552.42 and 194.94 is: 292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.08 : 552.42 = 194.94 : x
  2. Step 2: Convert to fraction form
    368.08/552.42 = 194.94/x
  3. Step 3: Cross multiply
    368.08x = 552.42 × 194.94
  4. Step 4: Simplify right side
    368.08x = 107,688.75
  5. Step 5: Solve for x
    x = 107,688.75/368.08
  6. Step 6: Final answer
    x = 292.57

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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.