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Finding the Fourth Proportional to 241.90, 363 and 155.29

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Solution

The fourth proportional to 241.90, 363 and 155.29 is: 233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.90 : 363 = 155.29 : x
  2. Step 2: Convert to fraction form
    241.90/363 = 155.29/x
  3. Step 3: Cross multiply
    241.90x = 363 × 155.29
  4. Step 4: Simplify right side
    241.90x = 56,370.27
  5. Step 5: Solve for x
    x = 56,370.27/241.90
  6. Step 6: Final answer
    x = 233.03

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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.