Finding the Fourth Proportional to 292.96, 439.68 and 122.08
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Solution
The fourth proportional to 292.96, 439.68 and 122.08 is: 183.22
Step by Step Solution
- Step 1: Write the proportion equation
292.96 : 439.68 = 122.08 : x - Step 2: Convert to fraction form
292.96/439.68 = 122.08/x - Step 3: Cross multiply
292.96x = 439.68 × 122.08 - Step 4: Simplify right side
292.96x = 53,676.13 - Step 5: Solve for x
x = 53,676.13/292.96 - Step 6: Final answer
x = 183.22
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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.