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Finding the Fourth Proportional to 241.57, 333.37 and 131.05

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Solution

The fourth proportional to 241.57, 333.37 and 131.05 is: 180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.57 : 333.37 = 131.05 : x
  2. Step 2: Convert to fraction form
    241.57/333.37 = 131.05/x
  3. Step 3: Cross multiply
    241.57x = 333.37 × 131.05
  4. Step 4: Simplify right side
    241.57x = 43,685.82
  5. Step 5: Solve for x
    x = 43,685.82/241.57
  6. Step 6: Final answer
    x = 180.84

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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.