Finding the Fourth Proportional to 201.87, 279.93 and 195.66
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Solution
The fourth proportional to 201.87, 279.93 and 195.66 is: 271.32
Step by Step Solution
- Step 1: Write the proportion equation
201.87 : 279.93 = 195.66 : x - Step 2: Convert to fraction form
201.87/279.93 = 195.66/x - Step 3: Cross multiply
201.87x = 279.93 × 195.66 - Step 4: Simplify right side
201.87x = 54,771.10 - Step 5: Solve for x
x = 54,771.10/201.87 - Step 6: Final answer
x = 271.32
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.