Finding the Fourth Proportional to 356.26, 534.40 and 163.84
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Solution
The fourth proportional to 356.26, 534.40 and 163.84 is: 245.76
Step by Step Solution
- Step 1: Write the proportion equation
356.26 : 534.40 = 163.84 : x - Step 2: Convert to fraction form
356.26/534.40 = 163.84/x - Step 3: Cross multiply
356.26x = 534.40 × 163.84 - Step 4: Simplify right side
356.26x = 87,556.10 - Step 5: Solve for x
x = 87,556.10/356.26 - Step 6: Final answer
x = 245.76
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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.