Finding the Fourth Proportional to 214.34, 295.79 and 126.99
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Solution
The fourth proportional to 214.34, 295.79 and 126.99 is: 175.25
Step by Step Solution
- Step 1: Write the proportion equation
214.34 : 295.79 = 126.99 : x - Step 2: Convert to fraction form
214.34/295.79 = 126.99/x - Step 3: Cross multiply
214.34x = 295.79 × 126.99 - Step 4: Simplify right side
214.34x = 37,561.74 - Step 5: Solve for x
x = 37,561.74/214.34 - Step 6: Final answer
x = 175.25
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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.