Finding the Fourth Proportional to 324.99, 486.44 and 170.70
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Solution
The fourth proportional to 324.99, 486.44 and 170.70 is: 255.50
Step by Step Solution
- Step 1: Write the proportion equation
324.99 : 486.44 = 170.70 : x - Step 2: Convert to fraction form
324.99/486.44 = 170.70/x - Step 3: Cross multiply
324.99x = 486.44 × 170.70 - Step 4: Simplify right side
324.99x = 83,035.31 - Step 5: Solve for x
x = 83,035.31/324.99 - Step 6: Final answer
x = 255.50
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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.