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Finding the Fourth Proportional to 241.18, 334.19 and 238.21

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Solution

The fourth proportional to 241.18, 334.19 and 238.21 is: 330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.18 : 334.19 = 238.21 : x
  2. Step 2: Convert to fraction form
    241.18/334.19 = 238.21/x
  3. Step 3: Cross multiply
    241.18x = 334.19 × 238.21
  4. Step 4: Simplify right side
    241.18x = 79,607.16
  5. Step 5: Solve for x
    x = 79,607.16/241.18
  6. Step 6: Final answer
    x = 330.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.