Finding the Fourth Proportional to 160.14, 220.96 and 94.67
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Solution
The fourth proportional to 160.14, 220.96 and 94.67 is: 130.62
Step by Step Solution
- Step 1: Write the proportion equation
160.14 : 220.96 = 94.67 : x - Step 2: Convert to fraction form
160.14/220.96 = 94.67/x - Step 3: Cross multiply
160.14x = 220.96 × 94.67 - Step 4: Simplify right side
160.14x = 20,918.13 - Step 5: Solve for x
x = 20,918.13/160.14 - Step 6: Final answer
x = 130.62
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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.