Finding the Fourth Proportional to 322.54, 444.97 and 217.70
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Solution
The fourth proportional to 322.54, 444.97 and 217.70 is: 300.33
Step by Step Solution
- Step 1: Write the proportion equation
322.54 : 444.97 = 217.70 : x - Step 2: Convert to fraction form
322.54/444.97 = 217.70/x - Step 3: Cross multiply
322.54x = 444.97 × 217.70 - Step 4: Simplify right side
322.54x = 96,869.97 - Step 5: Solve for x
x = 96,869.97/322.54 - Step 6: Final answer
x = 300.33
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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.