Finding the Fourth Proportional to 324.10, 447.12 and 193.06
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Solution
The fourth proportional to 324.10, 447.12 and 193.06 is: 266.34
Step by Step Solution
- Step 1: Write the proportion equation
324.10 : 447.12 = 193.06 : x - Step 2: Convert to fraction form
324.10/447.12 = 193.06/x - Step 3: Cross multiply
324.10x = 447.12 × 193.06 - Step 4: Simplify right side
324.10x = 86,320.99 - Step 5: Solve for x
x = 86,320.99/324.10 - Step 6: Final answer
x = 266.34
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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.