Finding the Fourth Proportional to 324.55, 447.87 and 177.19
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Solution
The fourth proportional to 324.55, 447.87 and 177.19 is: 244.51
Step by Step Solution
- Step 1: Write the proportion equation
324.55 : 447.87 = 177.19 : x - Step 2: Convert to fraction form
324.55/447.87 = 177.19/x - Step 3: Cross multiply
324.55x = 447.87 × 177.19 - Step 4: Simplify right side
324.55x = 79,357.63 - Step 5: Solve for x
x = 79,357.63/324.55 - Step 6: Final answer
x = 244.51
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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.