Finding the Fourth Proportional to 190, 262.09 and 134.99
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Solution
The fourth proportional to 190, 262.09 and 134.99 is: 186.21
Step by Step Solution
- Step 1: Write the proportion equation
190 : 262.09 = 134.99 : x - Step 2: Convert to fraction form
190/262.09 = 134.99/x - Step 3: Cross multiply
190x = 262.09 × 134.99 - Step 4: Simplify right side
190x = 35,379.53 - Step 5: Solve for x
x = 35,379.53/190 - Step 6: Final answer
x = 186.21
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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.