Finding the Fourth Proportional to 177.09, 244.44 and 163.32
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Solution
The fourth proportional to 177.09, 244.44 and 163.32 is: 225.43
Step by Step Solution
- Step 1: Write the proportion equation
177.09 : 244.44 = 163.32 : x - Step 2: Convert to fraction form
177.09/244.44 = 163.32/x - Step 3: Cross multiply
177.09x = 244.44 × 163.32 - Step 4: Simplify right side
177.09x = 39,921.94 - Step 5: Solve for x
x = 39,921.94/177.09 - Step 6: Final answer
x = 225.43
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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.