Finding the Fourth Proportional to 407.24, 609.96 and 252.68
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Solution
The fourth proportional to 407.24, 609.96 and 252.68 is: 378.46
Step by Step Solution
- Step 1: Write the proportion equation
407.24 : 609.96 = 252.68 : x - Step 2: Convert to fraction form
407.24/609.96 = 252.68/x - Step 3: Cross multiply
407.24x = 609.96 × 252.68 - Step 4: Simplify right side
407.24x = 154,124.69 - Step 5: Solve for x
x = 154,124.69/407.24 - Step 6: Final answer
x = 378.46
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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.