Finding the Fourth Proportional to 251.88, 378.24 and 249.99
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Solution
The fourth proportional to 251.88, 378.24 and 249.99 is: 375.40
Step by Step Solution
- Step 1: Write the proportion equation
251.88 : 378.24 = 249.99 : x - Step 2: Convert to fraction form
251.88/378.24 = 249.99/x - Step 3: Cross multiply
251.88x = 378.24 × 249.99 - Step 4: Simplify right side
251.88x = 94,556.22 - Step 5: Solve for x
x = 94,556.22/251.88 - Step 6: Final answer
x = 375.40
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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.