Finding the Fourth Proportional to 424.99, 637.44 and 181.63
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Solution
The fourth proportional to 424.99, 637.44 and 181.63 is: 272.43
Step by Step Solution
- Step 1: Write the proportion equation
424.99 : 637.44 = 181.63 : x - Step 2: Convert to fraction form
424.99/637.44 = 181.63/x - Step 3: Cross multiply
424.99x = 637.44 × 181.63 - Step 4: Simplify right side
424.99x = 115,778.23 - Step 5: Solve for x
x = 115,778.23/424.99 - Step 6: Final answer
x = 272.43
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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.