Finding the Fourth Proportional to 324.68, 448.05 and 177.32
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Solution
The fourth proportional to 324.68, 448.05 and 177.32 is: 244.69
Step by Step Solution
- Step 1: Write the proportion equation
324.68 : 448.05 = 177.32 : x - Step 2: Convert to fraction form
324.68/448.05 = 177.32/x - Step 3: Cross multiply
324.68x = 448.05 × 177.32 - Step 4: Simplify right side
324.68x = 79,445.99 - Step 5: Solve for x
x = 79,445.99/324.68 - Step 6: Final answer
x = 244.69
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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.