Finding the Fourth Proportional to 548.01, 821.88 and 163.26
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Solution
The fourth proportional to 548.01, 821.88 and 163.26 is: 244.85
Step by Step Solution
- Step 1: Write the proportion equation
548.01 : 821.88 = 163.26 : x - Step 2: Convert to fraction form
548.01/821.88 = 163.26/x - Step 3: Cross multiply
548.01x = 821.88 × 163.26 - Step 4: Simplify right side
548.01x = 134,180.13 - Step 5: Solve for x
x = 134,180.13/548.01 - Step 6: Final answer
x = 244.85
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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.