Finding the Fourth Proportional to 239.99, 359.98 and 205.97
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Solution
The fourth proportional to 239.99, 359.98 and 205.97 is: 308.95
Step by Step Solution
- Step 1: Write the proportion equation
239.99 : 359.98 = 205.97 : x - Step 2: Convert to fraction form
239.99/359.98 = 205.97/x - Step 3: Cross multiply
239.99x = 359.98 × 205.97 - Step 4: Simplify right side
239.99x = 74,142.77 - Step 5: Solve for x
x = 74,142.77/239.99 - Step 6: Final answer
x = 308.95
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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.