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Finding the Fourth Proportional to 241.47, 333.25 and 202.06

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Solution

The fourth proportional to 241.47, 333.25 and 202.06 is: 278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.47 : 333.25 = 202.06 : x
  2. Step 2: Convert to fraction form
    241.47/333.25 = 202.06/x
  3. Step 3: Cross multiply
    241.47x = 333.25 × 202.06
  4. Step 4: Simplify right side
    241.47x = 67,334.83
  5. Step 5: Solve for x
    x = 67,334.83/241.47
  6. Step 6: Final answer
    x = 278.86

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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.