Finding the Fourth Proportional to 201.24, 302.01 and 132.74
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Solution
The fourth proportional to 201.24, 302.01 and 132.74 is: 199.20
Step by Step Solution
- Step 1: Write the proportion equation
201.24 : 302.01 = 132.74 : x - Step 2: Convert to fraction form
201.24/302.01 = 132.74/x - Step 3: Cross multiply
201.24x = 302.01 × 132.74 - Step 4: Simplify right side
201.24x = 40,086.63 - Step 5: Solve for x
x = 40,086.63/201.24 - Step 6: Final answer
x = 199.20
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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.