Finding the Fourth Proportional to 366.99, 506.45 and 201.21
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Solution
The fourth proportional to 366.99, 506.45 and 201.21 is: 277.67
Step by Step Solution
- Step 1: Write the proportion equation
366.99 : 506.45 = 201.21 : x - Step 2: Convert to fraction form
366.99/506.45 = 201.21/x - Step 3: Cross multiply
366.99x = 506.45 × 201.21 - Step 4: Simplify right side
366.99x = 101,902.80 - Step 5: Solve for x
x = 101,902.80/366.99 - Step 6: Final answer
x = 277.67
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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.