Finding the Fourth Proportional to 273.99, 378.10 and 163.44
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Solution
The fourth proportional to 273.99, 378.10 and 163.44 is: 225.54
Step by Step Solution
- Step 1: Write the proportion equation
273.99 : 378.10 = 163.44 : x - Step 2: Convert to fraction form
273.99/378.10 = 163.44/x - Step 3: Cross multiply
273.99x = 378.10 × 163.44 - Step 4: Simplify right side
273.99x = 61,796.26 - Step 5: Solve for x
x = 61,796.26/273.99 - Step 6: Final answer
x = 225.54
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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.