Finding the Fourth Proportional to 271.97, 374.99 and 229.88
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Solution
The fourth proportional to 271.97, 374.99 and 229.88 is: 316.95
Step by Step Solution
- Step 1: Write the proportion equation
271.97 : 374.99 = 229.88 : x - Step 2: Convert to fraction form
271.97/374.99 = 229.88/x - Step 3: Cross multiply
271.97x = 374.99 × 229.88 - Step 4: Simplify right side
271.97x = 86,201.55 - Step 5: Solve for x
x = 86,201.55/271.97 - Step 6: Final answer
x = 316.95
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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.