Finding the Fourth Proportional to 225.44, 337.99 and 122.70
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Solution
The fourth proportional to 225.44, 337.99 and 122.70 is: 183.96
Step by Step Solution
- Step 1: Write the proportion equation
225.44 : 337.99 = 122.70 : x - Step 2: Convert to fraction form
225.44/337.99 = 122.70/x - Step 3: Cross multiply
225.44x = 337.99 × 122.70 - Step 4: Simplify right side
225.44x = 41,471.37 - Step 5: Solve for x
x = 41,471.37/225.44 - Step 6: Final answer
x = 183.96
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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.