Finding the Fourth Proportional to 170.19, 234.36 and 145.26
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Solution
The fourth proportional to 170.19, 234.36 and 145.26 is: 200.03
Step by Step Solution
- Step 1: Write the proportion equation
170.19 : 234.36 = 145.26 : x - Step 2: Convert to fraction form
170.19/234.36 = 145.26/x - Step 3: Cross multiply
170.19x = 234.36 × 145.26 - Step 4: Simplify right side
170.19x = 34,043.13 - Step 5: Solve for x
x = 34,043.13/170.19 - Step 6: Final answer
x = 200.03
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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.