Finding the Fourth Proportional to 352.99, 528.99 and 170.11
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Solution
The fourth proportional to 352.99, 528.99 and 170.11 is: 254.93
Step by Step Solution
- Step 1: Write the proportion equation
352.99 : 528.99 = 170.11 : x - Step 2: Convert to fraction form
352.99/528.99 = 170.11/x - Step 3: Cross multiply
352.99x = 528.99 × 170.11 - Step 4: Simplify right side
352.99x = 89,986.49 - Step 5: Solve for x
x = 89,986.49/352.99 - Step 6: Final answer
x = 254.93
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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.