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Finding the Fourth Proportional to 241.74, 333.32 and 171.81

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Solution

The fourth proportional to 241.74, 333.32 and 171.81 is: 236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.74 : 333.32 = 171.81 : x
  2. Step 2: Convert to fraction form
    241.74/333.32 = 171.81/x
  3. Step 3: Cross multiply
    241.74x = 333.32 × 171.81
  4. Step 4: Simplify right side
    241.74x = 57,266.85
  5. Step 5: Solve for x
    x = 57,266.85/241.74
  6. Step 6: Final answer
    x = 236.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.