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Finding the Fourth Proportional to 244.63, 366.81 and 148.51

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Solution

The fourth proportional to 244.63, 366.81 and 148.51 is: 222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.63 : 366.81 = 148.51 : x
  2. Step 2: Convert to fraction form
    244.63/366.81 = 148.51/x
  3. Step 3: Cross multiply
    244.63x = 366.81 × 148.51
  4. Step 4: Simplify right side
    244.63x = 54,474.95
  5. Step 5: Solve for x
    x = 54,474.95/244.63
  6. Step 6: Final answer
    x = 222.68

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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.