Finding the Fourth Proportional to 195.73, 269.96 and 121.99
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Solution
The fourth proportional to 195.73, 269.96 and 121.99 is: 168.26
Step by Step Solution
- Step 1: Write the proportion equation
195.73 : 269.96 = 121.99 : x - Step 2: Convert to fraction form
195.73/269.96 = 121.99/x - Step 3: Cross multiply
195.73x = 269.96 × 121.99 - Step 4: Simplify right side
195.73x = 32,933.12 - Step 5: Solve for x
x = 32,933.12/195.73 - Step 6: Final answer
x = 168.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.