Finding the Fourth Proportional to 201.36, 302.16 and 132.96
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Solution
The fourth proportional to 201.36, 302.16 and 132.96 is: 199.52
Step by Step Solution
- Step 1: Write the proportion equation
201.36 : 302.16 = 132.96 : x - Step 2: Convert to fraction form
201.36/302.16 = 132.96/x - Step 3: Cross multiply
201.36x = 302.16 × 132.96 - Step 4: Simplify right side
201.36x = 40,175.19 - Step 5: Solve for x
x = 40,175.19/201.36 - Step 6: Final answer
x = 199.52
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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.