Finding the Fourth Proportional to 205.36, 283.36 and 122.44
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Solution
The fourth proportional to 205.36, 283.36 and 122.44 is: 168.95
Step by Step Solution
- Step 1: Write the proportion equation
205.36 : 283.36 = 122.44 : x - Step 2: Convert to fraction form
205.36/283.36 = 122.44/x - Step 3: Cross multiply
205.36x = 283.36 × 122.44 - Step 4: Simplify right side
205.36x = 34,694.60 - Step 5: Solve for x
x = 34,694.60/205.36 - Step 6: Final answer
x = 168.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.