Finding the Fourth Proportional to 201.49, 302.33 and 84.44
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Solution
The fourth proportional to 201.49, 302.33 and 84.44 is: 126.70
Step by Step Solution
- Step 1: Write the proportion equation
201.49 : 302.33 = 84.44 : x - Step 2: Convert to fraction form
201.49/302.33 = 84.44/x - Step 3: Cross multiply
201.49x = 302.33 × 84.44 - Step 4: Simplify right side
201.49x = 25,528.75 - Step 5: Solve for x
x = 25,528.75/201.49 - Step 6: Final answer
x = 126.70
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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.