Finding the Fourth Proportional to 201.19, 301.80 and 163.06
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Solution
The fourth proportional to 201.19, 301.80 and 163.06 is: 244.60
Step by Step Solution
- Step 1: Write the proportion equation
201.19 : 301.80 = 163.06 : x - Step 2: Convert to fraction form
201.19/301.80 = 163.06/x - Step 3: Cross multiply
201.19x = 301.80 × 163.06 - Step 4: Simplify right side
201.19x = 49,211.51 - Step 5: Solve for x
x = 49,211.51/201.19 - Step 6: Final answer
x = 244.60
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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.