Finding the Fourth Proportional to 146.01, 201.60 and 96.99
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Solution
The fourth proportional to 146.01, 201.60 and 96.99 is: 133.92
Step by Step Solution
- Step 1: Write the proportion equation
146.01 : 201.60 = 96.99 : x - Step 2: Convert to fraction form
146.01/201.60 = 96.99/x - Step 3: Cross multiply
146.01x = 201.60 × 96.99 - Step 4: Simplify right side
146.01x = 19,553.18 - Step 5: Solve for x
x = 19,553.18/146.01 - Step 6: Final answer
x = 133.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.