Finding the Fourth Proportional to 201.63, 301.02 and 170.88
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Solution
The fourth proportional to 201.63, 301.02 and 170.88 is: 255.11
Step by Step Solution
- Step 1: Write the proportion equation
201.63 : 301.02 = 170.88 : x - Step 2: Convert to fraction form
201.63/301.02 = 170.88/x - Step 3: Cross multiply
201.63x = 301.02 × 170.88 - Step 4: Simplify right side
201.63x = 51,438.30 - Step 5: Solve for x
x = 51,438.30/201.63 - Step 6: Final answer
x = 255.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.