Finding the Fourth Proportional to 263.93, 395.84 and 126.92
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Solution
The fourth proportional to 263.93, 395.84 and 126.92 is: 190.35
Step by Step Solution
- Step 1: Write the proportion equation
263.93 : 395.84 = 126.92 : x - Step 2: Convert to fraction form
263.93/395.84 = 126.92/x - Step 3: Cross multiply
263.93x = 395.84 × 126.92 - Step 4: Simplify right side
263.93x = 50,237.40 - Step 5: Solve for x
x = 50,237.40/263.93 - Step 6: Final answer
x = 190.35
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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.