Finding the Fourth Proportional to 146.49, 201.99 and 102.75
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Solution
The fourth proportional to 146.49, 201.99 and 102.75 is: 141.68
Step by Step Solution
- Step 1: Write the proportion equation
146.49 : 201.99 = 102.75 : x - Step 2: Convert to fraction form
146.49/201.99 = 102.75/x - Step 3: Cross multiply
146.49x = 201.99 × 102.75 - Step 4: Simplify right side
146.49x = 20,754.47 - Step 5: Solve for x
x = 20,754.47/146.49 - Step 6: Final answer
x = 141.68
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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.