Finding the Fourth Proportional to 424.44, 636.10 and 193.29
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Solution
The fourth proportional to 424.44, 636.10 and 193.29 is: 289.68
Step by Step Solution
- Step 1: Write the proportion equation
424.44 : 636.10 = 193.29 : x - Step 2: Convert to fraction form
424.44/636.10 = 193.29/x - Step 3: Cross multiply
424.44x = 636.10 × 193.29 - Step 4: Simplify right side
424.44x = 122,949.99 - Step 5: Solve for x
x = 122,949.99/424.44 - Step 6: Final answer
x = 289.68
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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.