Finding the Fourth Proportional to 424.03, 635.86 and 163.99
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Solution
The fourth proportional to 424.03, 635.86 and 163.99 is: 245.91
Step by Step Solution
- Step 1: Write the proportion equation
424.03 : 635.86 = 163.99 : x - Step 2: Convert to fraction form
424.03/635.86 = 163.99/x - Step 3: Cross multiply
424.03x = 635.86 × 163.99 - Step 4: Simplify right side
424.03x = 104,274.68 - Step 5: Solve for x
x = 104,274.68/424.03 - Step 6: Final answer
x = 245.91
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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.