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Finding the Fourth Proportional to 241.99, 333.94 and 131.46

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Solution

The fourth proportional to 241.99, 333.94 and 131.46 is: 181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.99 : 333.94 = 131.46 : x
  2. Step 2: Convert to fraction form
    241.99/333.94 = 131.46/x
  3. Step 3: Cross multiply
    241.99x = 333.94 × 131.46
  4. Step 4: Simplify right side
    241.99x = 43,899.75
  5. Step 5: Solve for x
    x = 43,899.75/241.99
  6. Step 6: Final answer
    x = 181.41

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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.