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Finding the Fourth Proportional to 241.63, 333.46 and 136.69

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Solution

The fourth proportional to 241.63, 333.46 and 136.69 is: 188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.63 : 333.46 = 136.69 : x
  2. Step 2: Convert to fraction form
    241.63/333.46 = 136.69/x
  3. Step 3: Cross multiply
    241.63x = 333.46 × 136.69
  4. Step 4: Simplify right side
    241.63x = 45,579.60
  5. Step 5: Solve for x
    x = 45,579.60/241.63
  6. Step 6: Final answer
    x = 188.63

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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.