Finding the Fourth Proportional to 424.98, 636.93 and 181.26
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Solution
The fourth proportional to 424.98, 636.93 and 181.26 is: 271.66
Step by Step Solution
- Step 1: Write the proportion equation
424.98 : 636.93 = 181.26 : x - Step 2: Convert to fraction form
424.98/636.93 = 181.26/x - Step 3: Cross multiply
424.98x = 636.93 × 181.26 - Step 4: Simplify right side
424.98x = 115,449.93 - Step 5: Solve for x
x = 115,449.93/424.98 - Step 6: Final answer
x = 271.66
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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.