Finding the Fourth Proportional to 352.35, 486.25 and 194.99
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Solution
The fourth proportional to 352.35, 486.25 and 194.99 is: 269.08
Step by Step Solution
- Step 1: Write the proportion equation
352.35 : 486.25 = 194.99 : x - Step 2: Convert to fraction form
352.35/486.25 = 194.99/x - Step 3: Cross multiply
352.35x = 486.25 × 194.99 - Step 4: Simplify right side
352.35x = 94,810.97 - Step 5: Solve for x
x = 94,810.97/352.35 - Step 6: Final answer
x = 269.08
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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.