Finding the Fourth Proportional to 189.36, 283.73 and 169.99
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Solution
The fourth proportional to 189.36, 283.73 and 169.99 is: 254.70
Step by Step Solution
- Step 1: Write the proportion equation
189.36 : 283.73 = 169.99 : x - Step 2: Convert to fraction form
189.36/283.73 = 169.99/x - Step 3: Cross multiply
189.36x = 283.73 × 169.99 - Step 4: Simplify right side
189.36x = 48,229.70 - Step 5: Solve for x
x = 48,229.70/189.36 - Step 6: Final answer
x = 254.70
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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.