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Finding the Fourth Proportional to 244.04, 366.18 and 128.48

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Solution

The fourth proportional to 244.04, 366.18 and 128.48 is: 192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.04 : 366.18 = 128.48 : x
  2. Step 2: Convert to fraction form
    244.04/366.18 = 128.48/x
  3. Step 3: Cross multiply
    244.04x = 366.18 × 128.48
  4. Step 4: Simplify right side
    244.04x = 47,046.81
  5. Step 5: Solve for x
    x = 47,046.81/244.04
  6. Step 6: Final answer
    x = 192.78

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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.