Finding the Fourth Proportional to 249.93, 373.21 and 197.99
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Solution
The fourth proportional to 249.93, 373.21 and 197.99 is: 295.65
Step by Step Solution
- Step 1: Write the proportion equation
249.93 : 373.21 = 197.99 : x - Step 2: Convert to fraction form
249.93/373.21 = 197.99/x - Step 3: Cross multiply
249.93x = 373.21 × 197.99 - Step 4: Simplify right side
249.93x = 73,890.89 - Step 5: Solve for x
x = 73,890.89/249.93 - Step 6: Final answer
x = 295.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.