Finding the Fourth Proportional to 197.74, 295.99 and 132.73
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Solution
The fourth proportional to 197.74, 295.99 and 132.73 is: 198.68
Step by Step Solution
- Step 1: Write the proportion equation
197.74 : 295.99 = 132.73 : x - Step 2: Convert to fraction form
197.74/295.99 = 132.73/x - Step 3: Cross multiply
197.74x = 295.99 × 132.73 - Step 4: Simplify right side
197.74x = 39,286.75 - Step 5: Solve for x
x = 39,286.75/197.74 - Step 6: Final answer
x = 198.68
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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.