Finding the Fourth Proportional to 121.93, 182.91 and 44.88
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Solution
The fourth proportional to 121.93, 182.91 and 44.88 is: 67.32
Step by Step Solution
- Step 1: Write the proportion equation
121.93 : 182.91 = 44.88 : x - Step 2: Convert to fraction form
121.93/182.91 = 44.88/x - Step 3: Cross multiply
121.93x = 182.91 × 44.88 - Step 4: Simplify right side
121.93x = 8,208.48 - Step 5: Solve for x
x = 8,208.48/121.93 - Step 6: Final answer
x = 67.32
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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.