Finding the Fourth Proportional to 324.62, 486.94 and 132.26
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Solution
The fourth proportional to 324.62, 486.94 and 132.26 is: 198.39
Step by Step Solution
- Step 1: Write the proportion equation
324.62 : 486.94 = 132.26 : x - Step 2: Convert to fraction form
324.62/486.94 = 132.26/x - Step 3: Cross multiply
324.62x = 486.94 × 132.26 - Step 4: Simplify right side
324.62x = 64,402.68 - Step 5: Solve for x
x = 64,402.68/324.62 - Step 6: Final answer
x = 198.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.