Finding the Fourth Proportional to 160.95, 241.19 and 79.70
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Solution
The fourth proportional to 160.95, 241.19 and 79.70 is: 119.43
Step by Step Solution
- Step 1: Write the proportion equation
160.95 : 241.19 = 79.70 : x - Step 2: Convert to fraction form
160.95/241.19 = 79.70/x - Step 3: Cross multiply
160.95x = 241.19 × 79.70 - Step 4: Simplify right side
160.95x = 19,221.54 - Step 5: Solve for x
x = 19,221.54/160.95 - Step 6: Final answer
x = 119.43
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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.