Finding the Fourth Proportional to 324.19, 447.08 and 193.17
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Solution
The fourth proportional to 324.19, 447.08 and 193.17 is: 266.39
Step by Step Solution
- Step 1: Write the proportion equation
324.19 : 447.08 = 193.17 : x - Step 2: Convert to fraction form
324.19/447.08 = 193.17/x - Step 3: Cross multiply
324.19x = 447.08 × 193.17 - Step 4: Simplify right side
324.19x = 86,362.44 - Step 5: Solve for x
x = 86,362.44/324.19 - Step 6: Final answer
x = 266.39
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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.