Finding the Fourth Proportional to 170.13, 235.02 and 168.99
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Solution
The fourth proportional to 170.13, 235.02 and 168.99 is: 233.45
Step by Step Solution
- Step 1: Write the proportion equation
170.13 : 235.02 = 168.99 : x - Step 2: Convert to fraction form
170.13/235.02 = 168.99/x - Step 3: Cross multiply
170.13x = 235.02 × 168.99 - Step 4: Simplify right side
170.13x = 39,716.03 - Step 5: Solve for x
x = 39,716.03/170.13 - Step 6: Final answer
x = 233.45
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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.