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Finding the Fourth Proportional to 241.86, 333.95 and 158.94

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Solution

The fourth proportional to 241.86, 333.95 and 158.94 is: 219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.86 : 333.95 = 158.94 : x
  2. Step 2: Convert to fraction form
    241.86/333.95 = 158.94/x
  3. Step 3: Cross multiply
    241.86x = 333.95 × 158.94
  4. Step 4: Simplify right side
    241.86x = 53,077.22
  5. Step 5: Solve for x
    x = 53,077.22/241.86
  6. Step 6: Final answer
    x = 219.45

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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.