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Finding the Fourth Proportional to 193.03, 289.23 and 106.23

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Solution

The fourth proportional to 193.03, 289.23 and 106.23 is: 159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.03 : 289.23 = 106.23 : x
  2. Step 2: Convert to fraction form
    193.03/289.23 = 106.23/x
  3. Step 3: Cross multiply
    193.03x = 289.23 × 106.23
  4. Step 4: Simplify right side
    193.03x = 30,724.90
  5. Step 5: Solve for x
    x = 30,724.90/193.03
  6. Step 6: Final answer
    x = 159.17

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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.