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Finding the Fourth Proportional to 241.75, 362.63 and 70.75

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Solution

The fourth proportional to 241.75, 362.63 and 70.75 is: 106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.75 : 362.63 = 70.75 : x
  2. Step 2: Convert to fraction form
    241.75/362.63 = 70.75/x
  3. Step 3: Cross multiply
    241.75x = 362.63 × 70.75
  4. Step 4: Simplify right side
    241.75x = 25,656.07
  5. Step 5: Solve for x
    x = 25,656.07/241.75
  6. Step 6: Final answer
    x = 106.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.