Finding the Fourth Proportional to 170.09, 234.58 and 114.80
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Solution
The fourth proportional to 170.09, 234.58 and 114.80 is: 158.33
Step by Step Solution
- Step 1: Write the proportion equation
170.09 : 234.58 = 114.80 : x - Step 2: Convert to fraction form
170.09/234.58 = 114.80/x - Step 3: Cross multiply
170.09x = 234.58 × 114.80 - Step 4: Simplify right side
170.09x = 26,929.21 - Step 5: Solve for x
x = 26,929.21/170.09 - Step 6: Final answer
x = 158.33
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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.