Finding the Fourth Proportional to 201.36, 301.79 and 97.25
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Solution
The fourth proportional to 201.36, 301.79 and 97.25 is: 145.75
Step by Step Solution
- Step 1: Write the proportion equation
201.36 : 301.79 = 97.25 : x - Step 2: Convert to fraction form
201.36/301.79 = 97.25/x - Step 3: Cross multiply
201.36x = 301.79 × 97.25 - Step 4: Simplify right side
201.36x = 29,349.08 - Step 5: Solve for x
x = 29,349.08/201.36 - Step 6: Final answer
x = 145.75
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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.