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Finding the Fourth Proportional to 241.96, 362.13 and 219.49

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Solution

The fourth proportional to 241.96, 362.13 and 219.49 is: 328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.96 : 362.13 = 219.49 : x
  2. Step 2: Convert to fraction form
    241.96/362.13 = 219.49/x
  3. Step 3: Cross multiply
    241.96x = 362.13 × 219.49
  4. Step 4: Simplify right side
    241.96x = 79,483.91
  5. Step 5: Solve for x
    x = 79,483.91/241.96
  6. Step 6: Final answer
    x = 328.50

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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.