Finding the Fourth Proportional to 293.26, 439.99 and 130.95
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Solution
The fourth proportional to 293.26, 439.99 and 130.95 is: 196.47
Step by Step Solution
- Step 1: Write the proportion equation
293.26 : 439.99 = 130.95 : x - Step 2: Convert to fraction form
293.26/439.99 = 130.95/x - Step 3: Cross multiply
293.26x = 439.99 × 130.95 - Step 4: Simplify right side
293.26x = 57,616.69 - Step 5: Solve for x
x = 57,616.69/293.26 - Step 6: Final answer
x = 196.47
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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.