Finding the Fourth Proportional to 214.38, 295.74 and 126.99
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Solution
The fourth proportional to 214.38, 295.74 and 126.99 is: 175.18
Step by Step Solution
- Step 1: Write the proportion equation
214.38 : 295.74 = 126.99 : x - Step 2: Convert to fraction form
214.38/295.74 = 126.99/x - Step 3: Cross multiply
214.38x = 295.74 × 126.99 - Step 4: Simplify right side
214.38x = 37,556.02 - Step 5: Solve for x
x = 37,556.02/214.38 - Step 6: Final answer
x = 175.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.