Finding the Fourth Proportional to 201.17, 301.80 and 193.70
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Solution
The fourth proportional to 201.17, 301.80 and 193.70 is: 290.59
Step by Step Solution
- Step 1: Write the proportion equation
201.17 : 301.80 = 193.70 : x - Step 2: Convert to fraction form
201.17/301.80 = 193.70/x - Step 3: Cross multiply
201.17x = 301.80 × 193.70 - Step 4: Simplify right side
201.17x = 58,458.66 - Step 5: Solve for x
x = 58,458.66/201.17 - Step 6: Final answer
x = 290.59
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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.