Finding the Fourth Proportional to 201.97, 302.99 and 80.24
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Solution
The fourth proportional to 201.97, 302.99 and 80.24 is: 120.38
Step by Step Solution
- Step 1: Write the proportion equation
201.97 : 302.99 = 80.24 : x - Step 2: Convert to fraction form
201.97/302.99 = 80.24/x - Step 3: Cross multiply
201.97x = 302.99 × 80.24 - Step 4: Simplify right side
201.97x = 24,312.73 - Step 5: Solve for x
x = 24,312.73/201.97 - Step 6: Final answer
x = 120.38
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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.