Finding the Fourth Proportional to 214.03, 295.36 and 115.79
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Solution
The fourth proportional to 214.03, 295.36 and 115.79 is: 159.78
Step by Step Solution
- Step 1: Write the proportion equation
214.03 : 295.36 = 115.79 : x - Step 2: Convert to fraction form
214.03/295.36 = 115.79/x - Step 3: Cross multiply
214.03x = 295.36 × 115.79 - Step 4: Simplify right side
214.03x = 34,198.26 - Step 5: Solve for x
x = 34,198.26/214.03 - Step 6: Final answer
x = 159.78
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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.