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Finding the Fourth Proportional to 241.84, 331.76 and 235.45

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Solution

The fourth proportional to 241.84, 331.76 and 235.45 is: 322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.84 : 331.76 = 235.45 : x
  2. Step 2: Convert to fraction form
    241.84/331.76 = 235.45/x
  3. Step 3: Cross multiply
    241.84x = 331.76 × 235.45
  4. Step 4: Simplify right side
    241.84x = 78,112.89
  5. Step 5: Solve for x
    x = 78,112.89/241.84
  6. Step 6: Final answer
    x = 322.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.