Finding the Fourth Proportional to 292.09, 437.95 and 163.93
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Solution
The fourth proportional to 292.09, 437.95 and 163.93 is: 245.79
Step by Step Solution
- Step 1: Write the proportion equation
292.09 : 437.95 = 163.93 : x - Step 2: Convert to fraction form
292.09/437.95 = 163.93/x - Step 3: Cross multiply
292.09x = 437.95 × 163.93 - Step 4: Simplify right side
292.09x = 71,793.14 - Step 5: Solve for x
x = 71,793.14/292.09 - Step 6: Final answer
x = 245.79
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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.