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Finding the Fourth Proportional to 244.71, 366.69 and 90.57

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Solution

The fourth proportional to 244.71, 366.69 and 90.57 is: 135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.71 : 366.69 = 90.57 : x
  2. Step 2: Convert to fraction form
    244.71/366.69 = 90.57/x
  3. Step 3: Cross multiply
    244.71x = 366.69 × 90.57
  4. Step 4: Simplify right side
    244.71x = 33,211.11
  5. Step 5: Solve for x
    x = 33,211.11/244.71
  6. Step 6: Final answer
    x = 135.72

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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.