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Finding the Fourth Proportional to 368.07, 552.33 and 194.86

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Solution

The fourth proportional to 368.07, 552.33 and 194.86 is: 292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.07 : 552.33 = 194.86 : x
  2. Step 2: Convert to fraction form
    368.07/552.33 = 194.86/x
  3. Step 3: Cross multiply
    368.07x = 552.33 × 194.86
  4. Step 4: Simplify right side
    368.07x = 107,627.02
  5. Step 5: Solve for x
    x = 107,627.02/368.07
  6. Step 6: Final answer
    x = 292.41

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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.