Finding the Fourth Proportional to 190.92, 286.44 and 135.99
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Solution
The fourth proportional to 190.92, 286.44 and 135.99 is: 204.03
Step by Step Solution
- Step 1: Write the proportion equation
190.92 : 286.44 = 135.99 : x - Step 2: Convert to fraction form
190.92/286.44 = 135.99/x - Step 3: Cross multiply
190.92x = 286.44 × 135.99 - Step 4: Simplify right side
190.92x = 38,952.98 - Step 5: Solve for x
x = 38,952.98/190.92 - Step 6: Final answer
x = 204.03
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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.