Finding the Fourth Proportional to 146.25, 201.69 and 133.17
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Solution
The fourth proportional to 146.25, 201.69 and 133.17 is: 183.65
Step by Step Solution
- Step 1: Write the proportion equation
146.25 : 201.69 = 133.17 : x - Step 2: Convert to fraction form
146.25/201.69 = 133.17/x - Step 3: Cross multiply
146.25x = 201.69 × 133.17 - Step 4: Simplify right side
146.25x = 26,859.06 - Step 5: Solve for x
x = 26,859.06/146.25 - Step 6: Final answer
x = 183.65
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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.