Finding the Fourth Proportional to 160.73, 221.97 and 116.99
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Solution
The fourth proportional to 160.73, 221.97 and 116.99 is: 161.56
Step by Step Solution
- Step 1: Write the proportion equation
160.73 : 221.97 = 116.99 : x - Step 2: Convert to fraction form
160.73/221.97 = 116.99/x - Step 3: Cross multiply
160.73x = 221.97 × 116.99 - Step 4: Simplify right side
160.73x = 25,968.69 - Step 5: Solve for x
x = 25,968.69/160.73 - Step 6: Final answer
x = 161.56
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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.