Finding the Fourth Proportional to 271.99, 407.82 and 125.68
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Solution
The fourth proportional to 271.99, 407.82 and 125.68 is: 188.44
Step by Step Solution
- Step 1: Write the proportion equation
271.99 : 407.82 = 125.68 : x - Step 2: Convert to fraction form
271.99/407.82 = 125.68/x - Step 3: Cross multiply
271.99x = 407.82 × 125.68 - Step 4: Simplify right side
271.99x = 51,252.78 - Step 5: Solve for x
x = 51,252.78/271.99 - Step 6: Final answer
x = 188.44
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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.