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Finding the Fourth Proportional to 241.99, 333.91 and 137.07

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Solution

The fourth proportional to 241.99, 333.91 and 137.07 is: 189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.99 : 333.91 = 137.07 : x
  2. Step 2: Convert to fraction form
    241.99/333.91 = 137.07/x
  3. Step 3: Cross multiply
    241.99x = 333.91 × 137.07
  4. Step 4: Simplify right side
    241.99x = 45,769.22
  5. Step 5: Solve for x
    x = 45,769.22/241.99
  6. Step 6: Final answer
    x = 189.14

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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.