Finding the Fourth Proportional to 201.30, 301.18 and 132.99
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Solution
The fourth proportional to 201.30, 301.18 and 132.99 is: 198.98
Step by Step Solution
- Step 1: Write the proportion equation
201.30 : 301.18 = 132.99 : x - Step 2: Convert to fraction form
201.30/301.18 = 132.99/x - Step 3: Cross multiply
201.30x = 301.18 × 132.99 - Step 4: Simplify right side
201.30x = 40,053.93 - Step 5: Solve for x
x = 40,053.93/201.30 - Step 6: Final answer
x = 198.98
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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.