Finding the Fourth Proportional to 188.62, 260.08 and 170.19
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Solution
The fourth proportional to 188.62, 260.08 and 170.19 is: 234.67
Step by Step Solution
- Step 1: Write the proportion equation
188.62 : 260.08 = 170.19 : x - Step 2: Convert to fraction form
188.62/260.08 = 170.19/x - Step 3: Cross multiply
188.62x = 260.08 × 170.19 - Step 4: Simplify right side
188.62x = 44,262.59 - Step 5: Solve for x
x = 44,262.59/188.62 - Step 6: Final answer
x = 234.67
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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.