Finding the Fourth Proportional to 197.73, 296.19 and 129.06
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Solution
The fourth proportional to 197.73, 296.19 and 129.06 is: 193.33
Step by Step Solution
- Step 1: Write the proportion equation
197.73 : 296.19 = 129.06 : x - Step 2: Convert to fraction form
197.73/296.19 = 129.06/x - Step 3: Cross multiply
197.73x = 296.19 × 129.06 - Step 4: Simplify right side
197.73x = 38,226.28 - Step 5: Solve for x
x = 38,226.28/197.73 - Step 6: Final answer
x = 193.33
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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.