Finding the Fourth Proportional to 401.09, 601.89 and 169.92
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Solution
The fourth proportional to 401.09, 601.89 and 169.92 is: 254.99
Step by Step Solution
- Step 1: Write the proportion equation
401.09 : 601.89 = 169.92 : x - Step 2: Convert to fraction form
401.09/601.89 = 169.92/x - Step 3: Cross multiply
401.09x = 601.89 × 169.92 - Step 4: Simplify right side
401.09x = 102,273.76 - Step 5: Solve for x
x = 102,273.76/401.09 - Step 6: Final answer
x = 254.99
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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.