Finding the Fourth Proportional to 160.68, 241.01 and 91.99
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Solution
The fourth proportional to 160.68, 241.01 and 91.99 is: 137.98
Step by Step Solution
- Step 1: Write the proportion equation
160.68 : 241.01 = 91.99 : x - Step 2: Convert to fraction form
160.68/241.01 = 91.99/x - Step 3: Cross multiply
160.68x = 241.01 × 91.99 - Step 4: Simplify right side
160.68x = 22,170.51 - Step 5: Solve for x
x = 22,170.51/160.68 - Step 6: Final answer
x = 137.98
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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.