Finding the Fourth Proportional to 201.19, 301.93 and 147.22
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Solution
The fourth proportional to 201.19, 301.93 and 147.22 is: 220.94
Step by Step Solution
- Step 1: Write the proportion equation
201.19 : 301.93 = 147.22 : x - Step 2: Convert to fraction form
201.19/301.93 = 147.22/x - Step 3: Cross multiply
201.19x = 301.93 × 147.22 - Step 4: Simplify right side
201.19x = 44,450.13 - Step 5: Solve for x
x = 44,450.13/201.19 - Step 6: Final answer
x = 220.94
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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.