Finding the Fourth Proportional to 246.68, 369.84 and 84.32
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Solution
The fourth proportional to 246.68, 369.84 and 84.32 is: 126.42
Step by Step Solution
- Step 1: Write the proportion equation
246.68 : 369.84 = 84.32 : x - Step 2: Convert to fraction form
246.68/369.84 = 84.32/x - Step 3: Cross multiply
246.68x = 369.84 × 84.32 - Step 4: Simplify right side
246.68x = 31,184.91 - Step 5: Solve for x
x = 31,184.91/246.68 - Step 6: Final answer
x = 126.42
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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.