Finding the Fourth Proportional to 201.99, 303.13 and 133.49
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Solution
The fourth proportional to 201.99, 303.13 and 133.49 is: 200.33
Step by Step Solution
- Step 1: Write the proportion equation
201.99 : 303.13 = 133.49 : x - Step 2: Convert to fraction form
201.99/303.13 = 133.49/x - Step 3: Cross multiply
201.99x = 303.13 × 133.49 - Step 4: Simplify right side
201.99x = 40,464.82 - Step 5: Solve for x
x = 40,464.82/201.99 - Step 6: Final answer
x = 200.33
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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.