Finding the Fourth Proportional to 217.67, 326.55 and 176.99
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Solution
The fourth proportional to 217.67, 326.55 and 176.99 is: 265.52
Step by Step Solution
- Step 1: Write the proportion equation
217.67 : 326.55 = 176.99 : x - Step 2: Convert to fraction form
217.67/326.55 = 176.99/x - Step 3: Cross multiply
217.67x = 326.55 × 176.99 - Step 4: Simplify right side
217.67x = 57,796.08 - Step 5: Solve for x
x = 57,796.08/217.67 - Step 6: Final answer
x = 265.52
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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.