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Finding the Fourth Proportional to 241.99, 333.59 and 158.90

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Solution

The fourth proportional to 241.99, 333.59 and 158.90 is: 219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.99 : 333.59 = 158.90 : x
  2. Step 2: Convert to fraction form
    241.99/333.59 = 158.90/x
  3. Step 3: Cross multiply
    241.99x = 333.59 × 158.90
  4. Step 4: Simplify right side
    241.99x = 53,004.99
  5. Step 5: Solve for x
    x = 53,004.99/241.99
  6. Step 6: Final answer
    x = 219.04

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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.