Finding the Fourth Proportional to 82.96, 114.49 and 46.12
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Solution
The fourth proportional to 82.96, 114.49 and 46.12 is: 63.65
Step by Step Solution
- Step 1: Write the proportion equation
82.96 : 114.49 = 46.12 : x - Step 2: Convert to fraction form
82.96/114.49 = 46.12/x - Step 3: Cross multiply
82.96x = 114.49 × 46.12 - Step 4: Simplify right side
82.96x = 5,280.25 - Step 5: Solve for x
x = 5,280.25/82.96 - Step 6: Final answer
x = 63.65
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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.