Finding the Fourth Proportional to 324.24, 447.48 and 193.26
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Solution
The fourth proportional to 324.24, 447.48 and 193.26 is: 266.72
Step by Step Solution
- Step 1: Write the proportion equation
324.24 : 447.48 = 193.26 : x - Step 2: Convert to fraction form
324.24/447.48 = 193.26/x - Step 3: Cross multiply
324.24x = 447.48 × 193.26 - Step 4: Simplify right side
324.24x = 86,479.98 - Step 5: Solve for x
x = 86,479.98/324.24 - Step 6: Final answer
x = 266.72
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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.