Finding the Fourth Proportional to 324.19, 447.28 and 193.11
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Solution
The fourth proportional to 324.19, 447.28 and 193.11 is: 266.43
Step by Step Solution
- Step 1: Write the proportion equation
324.19 : 447.28 = 193.11 : x - Step 2: Convert to fraction form
324.19/447.28 = 193.11/x - Step 3: Cross multiply
324.19x = 447.28 × 193.11 - Step 4: Simplify right side
324.19x = 86,374.24 - Step 5: Solve for x
x = 86,374.24/324.19 - Step 6: Final answer
x = 266.43
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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.