Finding the Fourth Proportional to 216.80, 299.28 and 177.44
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Solution
The fourth proportional to 216.80, 299.28 and 177.44 is: 244.95
Step by Step Solution
- Step 1: Write the proportion equation
216.80 : 299.28 = 177.44 : x - Step 2: Convert to fraction form
216.80/299.28 = 177.44/x - Step 3: Cross multiply
216.80x = 299.28 × 177.44 - Step 4: Simplify right side
216.80x = 53,104.24 - Step 5: Solve for x
x = 53,104.24/216.80 - Step 6: Final answer
x = 244.95
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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.