Finding the Fourth Proportional to 252.70, 346.99 and 252.70
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Solution
The fourth proportional to 252.70, 346.99 and 252.70 is: 346.99
Step by Step Solution
- Step 1: Write the proportion equation
252.70 : 346.99 = 252.70 : x - Step 2: Convert to fraction form
252.70/346.99 = 252.70/x - Step 3: Cross multiply
252.70x = 346.99 × 252.70 - Step 4: Simplify right side
252.70x = 87,684.37 - Step 5: Solve for x
x = 87,684.37/252.70 - Step 6: Final answer
x = 346.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.