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Finding the Fourth Proportional to 242.97, 364.05 and 151.41

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Solution

The fourth proportional to 242.97, 364.05 and 151.41 is: 226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.97 : 364.05 = 151.41 : x
  2. Step 2: Convert to fraction form
    242.97/364.05 = 151.41/x
  3. Step 3: Cross multiply
    242.97x = 364.05 × 151.41
  4. Step 4: Simplify right side
    242.97x = 55,120.81
  5. Step 5: Solve for x
    x = 55,120.81/242.97
  6. Step 6: Final answer
    x = 226.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.