Finding the Fourth Proportional to 246.62, 369.79 and 84.26
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Solution
The fourth proportional to 246.62, 369.79 and 84.26 is: 126.34
Step by Step Solution
- Step 1: Write the proportion equation
246.62 : 369.79 = 84.26 : x - Step 2: Convert to fraction form
246.62/369.79 = 84.26/x - Step 3: Cross multiply
246.62x = 369.79 × 84.26 - Step 4: Simplify right side
246.62x = 31,158.51 - Step 5: Solve for x
x = 31,158.51/246.62 - Step 6: Final answer
x = 126.34
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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.