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Finding the Fourth Proportional to 244.27, 366.35 and 90.16

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Solution

The fourth proportional to 244.27, 366.35 and 90.16 is: 135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.27 : 366.35 = 90.16 : x
  2. Step 2: Convert to fraction form
    244.27/366.35 = 90.16/x
  3. Step 3: Cross multiply
    244.27x = 366.35 × 90.16
  4. Step 4: Simplify right side
    244.27x = 33,028.75
  5. Step 5: Solve for x
    x = 33,028.75/244.27
  6. Step 6: Final answer
    x = 135.22

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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.