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Finding the Fourth Proportional to 241.53, 333.29 and 138.03

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Solution

The fourth proportional to 241.53, 333.29 and 138.03 is: 190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.53 : 333.29 = 138.03 : x
  2. Step 2: Convert to fraction form
    241.53/333.29 = 138.03/x
  3. Step 3: Cross multiply
    241.53x = 333.29 × 138.03
  4. Step 4: Simplify right side
    241.53x = 46,003.33
  5. Step 5: Solve for x
    x = 46,003.33/241.53
  6. Step 6: Final answer
    x = 190.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.