Finding the Fourth Proportional to 201.26, 302.08 and 165.10
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Solution
The fourth proportional to 201.26, 302.08 and 165.10 is: 247.81
Step by Step Solution
- Step 1: Write the proportion equation
201.26 : 302.08 = 165.10 : x - Step 2: Convert to fraction form
201.26/302.08 = 165.10/x - Step 3: Cross multiply
201.26x = 302.08 × 165.10 - Step 4: Simplify right side
201.26x = 49,873.41 - Step 5: Solve for x
x = 49,873.41/201.26 - Step 6: Final answer
x = 247.81
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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.