Finding the Fourth Proportional to 201.67, 302.60 and 97.66
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Solution
The fourth proportional to 201.67, 302.60 and 97.66 is: 146.54
Step by Step Solution
- Step 1: Write the proportion equation
201.67 : 302.60 = 97.66 : x - Step 2: Convert to fraction form
201.67/302.60 = 97.66/x - Step 3: Cross multiply
201.67x = 302.60 × 97.66 - Step 4: Simplify right side
201.67x = 29,551.92 - Step 5: Solve for x
x = 29,551.92/201.67 - Step 6: Final answer
x = 146.54
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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.