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Finding the Fourth Proportional to 244.75, 367.07 and 90.69

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Solution

The fourth proportional to 244.75, 367.07 and 90.69 is: 136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.75 : 367.07 = 90.69 : x
  2. Step 2: Convert to fraction form
    244.75/367.07 = 90.69/x
  3. Step 3: Cross multiply
    244.75x = 367.07 × 90.69
  4. Step 4: Simplify right side
    244.75x = 33,289.58
  5. Step 5: Solve for x
    x = 33,289.58/244.75
  6. Step 6: Final answer
    x = 136.01

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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.