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Finding the Fourth Proportional to 241.76, 333.63 and 136.87

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Solution

The fourth proportional to 241.76, 333.63 and 136.87 is: 188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.76 : 333.63 = 136.87 : x
  2. Step 2: Convert to fraction form
    241.76/333.63 = 136.87/x
  3. Step 3: Cross multiply
    241.76x = 333.63 × 136.87
  4. Step 4: Simplify right side
    241.76x = 45,663.10
  5. Step 5: Solve for x
    x = 45,663.10/241.76
  6. Step 6: Final answer
    x = 188.88

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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.