Finding the Fourth Proportional to 229.53, 344.45 and 142.99
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Solution
The fourth proportional to 229.53, 344.45 and 142.99 is: 214.58
Step by Step Solution
- Step 1: Write the proportion equation
229.53 : 344.45 = 142.99 : x - Step 2: Convert to fraction form
229.53/344.45 = 142.99/x - Step 3: Cross multiply
229.53x = 344.45 × 142.99 - Step 4: Simplify right side
229.53x = 49,252.91 - Step 5: Solve for x
x = 49,252.91/229.53 - Step 6: Final answer
x = 214.58
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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.