Finding the Fourth Proportional to 424.68, 636.99 and 150.75
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Solution
The fourth proportional to 424.68, 636.99 and 150.75 is: 226.11
Step by Step Solution
- Step 1: Write the proportion equation
424.68 : 636.99 = 150.75 : x - Step 2: Convert to fraction form
424.68/636.99 = 150.75/x - Step 3: Cross multiply
424.68x = 636.99 × 150.75 - Step 4: Simplify right side
424.68x = 96,026.24 - Step 5: Solve for x
x = 96,026.24/424.68 - Step 6: Final answer
x = 226.11
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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.