Finding the Fourth Proportional to 201.17, 301.70 and 96.99
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Solution
The fourth proportional to 201.17, 301.70 and 96.99 is: 145.46
Step by Step Solution
- Step 1: Write the proportion equation
201.17 : 301.70 = 96.99 : x - Step 2: Convert to fraction form
201.17/301.70 = 96.99/x - Step 3: Cross multiply
201.17x = 301.70 × 96.99 - Step 4: Simplify right side
201.17x = 29,261.88 - Step 5: Solve for x
x = 29,261.88/201.17 - Step 6: Final answer
x = 145.46
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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.