Finding the Fourth Proportional to 324.08, 447.18 and 193.08
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Solution
The fourth proportional to 324.08, 447.18 and 193.08 is: 266.42
Step by Step Solution
- Step 1: Write the proportion equation
324.08 : 447.18 = 193.08 : x - Step 2: Convert to fraction form
324.08/447.18 = 193.08/x - Step 3: Cross multiply
324.08x = 447.18 × 193.08 - Step 4: Simplify right side
324.08x = 86,341.51 - Step 5: Solve for x
x = 86,341.51/324.08 - Step 6: Final answer
x = 266.42
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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.