Finding the Fourth Proportional to 190.33, 262.67 and 116.63
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Solution
The fourth proportional to 190.33, 262.67 and 116.63 is: 160.95
Step by Step Solution
- Step 1: Write the proportion equation
190.33 : 262.67 = 116.63 : x - Step 2: Convert to fraction form
190.33/262.67 = 116.63/x - Step 3: Cross multiply
190.33x = 262.67 × 116.63 - Step 4: Simplify right side
190.33x = 30,633.31 - Step 5: Solve for x
x = 30,633.31/190.33 - Step 6: Final answer
x = 160.95
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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.