Finding the Fourth Proportional to 356.13, 534.26 and 163.75
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Solution
The fourth proportional to 356.13, 534.26 and 163.75 is: 245.65
Step by Step Solution
- Step 1: Write the proportion equation
356.13 : 534.26 = 163.75 : x - Step 2: Convert to fraction form
356.13/534.26 = 163.75/x - Step 3: Cross multiply
356.13x = 534.26 × 163.75 - Step 4: Simplify right side
356.13x = 87,485.08 - Step 5: Solve for x
x = 87,485.08/356.13 - Step 6: Final answer
x = 245.65
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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.