Finding the Fourth Proportional to 229.24, 344 and 84.96
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Solution
The fourth proportional to 229.24, 344 and 84.96 is: 127.49
Step by Step Solution
- Step 1: Write the proportion equation
229.24 : 344 = 84.96 : x - Step 2: Convert to fraction form
229.24/344 = 84.96/x - Step 3: Cross multiply
229.24x = 344 × 84.96 - Step 4: Simplify right side
229.24x = 29,226.24 - Step 5: Solve for x
x = 29,226.24/229.24 - Step 6: Final answer
x = 127.49
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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.