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Finding the Fourth Proportional to 241.98, 363.12 and 105.03

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Solution

The fourth proportional to 241.98, 363.12 and 105.03 is: 157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.98 : 363.12 = 105.03 : x
  2. Step 2: Convert to fraction form
    241.98/363.12 = 105.03/x
  3. Step 3: Cross multiply
    241.98x = 363.12 × 105.03
  4. Step 4: Simplify right side
    241.98x = 38,138.99
  5. Step 5: Solve for x
    x = 38,138.99/241.98
  6. Step 6: Final answer
    x = 157.61

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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.