Finding the Fourth Proportional to 271.99, 375.34 and 189.26
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Solution
The fourth proportional to 271.99, 375.34 and 189.26 is: 261.17
Step by Step Solution
- Step 1: Write the proportion equation
271.99 : 375.34 = 189.26 : x - Step 2: Convert to fraction form
271.99/375.34 = 189.26/x - Step 3: Cross multiply
271.99x = 375.34 × 189.26 - Step 4: Simplify right side
271.99x = 71,034.50 - Step 5: Solve for x
x = 71,034.50/271.99 - Step 6: Final answer
x = 261.17
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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.