Finding the Fourth Proportional to 252.05, 347.49 and 193.19
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Solution
The fourth proportional to 252.05, 347.49 and 193.19 is: 266.34
Step by Step Solution
- Step 1: Write the proportion equation
252.05 : 347.49 = 193.19 : x - Step 2: Convert to fraction form
252.05/347.49 = 193.19/x - Step 3: Cross multiply
252.05x = 347.49 × 193.19 - Step 4: Simplify right side
252.05x = 67,129.86 - Step 5: Solve for x
x = 67,129.86/252.05 - Step 6: Final answer
x = 266.34
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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.