Finding the Fourth Proportional to 216.62, 324.35 and 177.66
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Solution
The fourth proportional to 216.62, 324.35 and 177.66 is: 266.02
Step by Step Solution
- Step 1: Write the proportion equation
216.62 : 324.35 = 177.66 : x - Step 2: Convert to fraction form
216.62/324.35 = 177.66/x - Step 3: Cross multiply
216.62x = 324.35 × 177.66 - Step 4: Simplify right side
216.62x = 57,623.13 - Step 5: Solve for x
x = 57,623.13/216.62 - Step 6: Final answer
x = 266.02
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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.