Finding the Fourth Proportional to 149.99, 226.13 and 136.62
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Solution
The fourth proportional to 149.99, 226.13 and 136.62 is: 205.98
Step by Step Solution
- Step 1: Write the proportion equation
149.99 : 226.13 = 136.62 : x - Step 2: Convert to fraction form
149.99/226.13 = 136.62/x - Step 3: Cross multiply
149.99x = 226.13 × 136.62 - Step 4: Simplify right side
149.99x = 30,893.20 - Step 5: Solve for x
x = 30,893.20/149.99 - Step 6: Final answer
x = 205.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.