Finding the Fourth Proportional to 226.14, 338.99 and 117.70
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Solution
The fourth proportional to 226.14, 338.99 and 117.70 is: 176.44
Step by Step Solution
- Step 1: Write the proportion equation
226.14 : 338.99 = 117.70 : x - Step 2: Convert to fraction form
226.14/338.99 = 117.70/x - Step 3: Cross multiply
226.14x = 338.99 × 117.70 - Step 4: Simplify right side
226.14x = 39,899.59 - Step 5: Solve for x
x = 39,899.59/226.14 - Step 6: Final answer
x = 176.44
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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.