Finding the Fourth Proportional to 201.88, 302.94 and 80.26
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Solution
The fourth proportional to 201.88, 302.94 and 80.26 is: 120.44
Step by Step Solution
- Step 1: Write the proportion equation
201.88 : 302.94 = 80.26 : x - Step 2: Convert to fraction form
201.88/302.94 = 80.26/x - Step 3: Cross multiply
201.88x = 302.94 × 80.26 - Step 4: Simplify right side
201.88x = 24,313.96 - Step 5: Solve for x
x = 24,313.96/201.88 - Step 6: Final answer
x = 120.44
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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.