Finding the Fourth Proportional to 324.94, 448.39 and 193.99
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Solution
The fourth proportional to 324.94, 448.39 and 193.99 is: 267.69
Step by Step Solution
- Step 1: Write the proportion equation
324.94 : 448.39 = 193.99 : x - Step 2: Convert to fraction form
324.94/448.39 = 193.99/x - Step 3: Cross multiply
324.94x = 448.39 × 193.99 - Step 4: Simplify right side
324.94x = 86,982.21 - Step 5: Solve for x
x = 86,982.21/324.94 - Step 6: Final answer
x = 267.69
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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.