Finding the Fourth Proportional to 324.30, 447.65 and 193.44
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Solution
The fourth proportional to 324.30, 447.65 and 193.44 is: 267.02
Step by Step Solution
- Step 1: Write the proportion equation
324.30 : 447.65 = 193.44 : x - Step 2: Convert to fraction form
324.30/447.65 = 193.44/x - Step 3: Cross multiply
324.30x = 447.65 × 193.44 - Step 4: Simplify right side
324.30x = 86,593.42 - Step 5: Solve for x
x = 86,593.42/324.30 - Step 6: Final answer
x = 267.02
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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.