Finding the Fourth Proportional to 201.71, 302.58 and 161.62
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Solution
The fourth proportional to 201.71, 302.58 and 161.62 is: 242.44
Step by Step Solution
- Step 1: Write the proportion equation
201.71 : 302.58 = 161.62 : x - Step 2: Convert to fraction form
201.71/302.58 = 161.62/x - Step 3: Cross multiply
201.71x = 302.58 × 161.62 - Step 4: Simplify right side
201.71x = 48,902.22 - Step 5: Solve for x
x = 48,902.22/201.71 - Step 6: Final answer
x = 242.44
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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.