Finding the Fourth Proportional to 251.99, 377.99 and 121.97
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Solution
The fourth proportional to 251.99, 377.99 and 121.97 is: 182.95
Step by Step Solution
- Step 1: Write the proportion equation
251.99 : 377.99 = 121.97 : x - Step 2: Convert to fraction form
251.99/377.99 = 121.97/x - Step 3: Cross multiply
251.99x = 377.99 × 121.97 - Step 4: Simplify right side
251.99x = 46,100.94 - Step 5: Solve for x
x = 46,100.94/251.99 - Step 6: Final answer
x = 182.95
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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.