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Finding the Fourth Proportional to 197.26, 295.51 and 124.21

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Solution

The fourth proportional to 197.26, 295.51 and 124.21 is: 186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.26 : 295.51 = 124.21 : x
  2. Step 2: Convert to fraction form
    197.26/295.51 = 124.21/x
  3. Step 3: Cross multiply
    197.26x = 295.51 × 124.21
  4. Step 4: Simplify right side
    197.26x = 36,705.59
  5. Step 5: Solve for x
    x = 36,705.59/197.26
  6. Step 6: Final answer
    x = 186.08

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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.