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Finding the Fourth Proportional to 241.26, 360.42 and 153.90

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Solution

The fourth proportional to 241.26, 360.42 and 153.90 is: 229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.26 : 360.42 = 153.90 : x
  2. Step 2: Convert to fraction form
    241.26/360.42 = 153.90/x
  3. Step 3: Cross multiply
    241.26x = 360.42 × 153.90
  4. Step 4: Simplify right side
    241.26x = 55,466.84
  5. Step 5: Solve for x
    x = 55,466.84/241.26
  6. Step 6: Final answer
    x = 229.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.