Finding the Fourth Proportional to 241.38, 332.97 and 153.99
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Solution
The fourth proportional to 241.38, 332.97 and 153.99 is: 212.42
Step by Step Solution
- Step 1: Write the proportion equation
241.38 : 332.97 = 153.99 : x - Step 2: Convert to fraction form
241.38/332.97 = 153.99/x - Step 3: Cross multiply
241.38x = 332.97 × 153.99 - Step 4: Simplify right side
241.38x = 51,274.05 - Step 5: Solve for x
x = 51,274.05/241.38 - Step 6: Final answer
x = 212.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.