Finding the Fourth Proportional to 324.44, 486.67 and 108.08
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Solution
The fourth proportional to 324.44, 486.67 and 108.08 is: 162.12
Step by Step Solution
- Step 1: Write the proportion equation
324.44 : 486.67 = 108.08 : x - Step 2: Convert to fraction form
324.44/486.67 = 108.08/x - Step 3: Cross multiply
324.44x = 486.67 × 108.08 - Step 4: Simplify right side
324.44x = 52,599.29 - Step 5: Solve for x
x = 52,599.29/324.44 - Step 6: Final answer
x = 162.12
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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.