Finding the Fourth Proportional to 249.34, 344.08 and 142.99
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Solution
The fourth proportional to 249.34, 344.08 and 142.99 is: 197.32
Step by Step Solution
- Step 1: Write the proportion equation
249.34 : 344.08 = 142.99 : x - Step 2: Convert to fraction form
249.34/344.08 = 142.99/x - Step 3: Cross multiply
249.34x = 344.08 × 142.99 - Step 4: Simplify right side
249.34x = 49,200.00 - Step 5: Solve for x
x = 49,200.00/249.34 - Step 6: Final answer
x = 197.32
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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.