Finding the Fourth Proportional to 189.44, 283.44 and 125
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Solution
The fourth proportional to 189.44, 283.44 and 125 is: 187.02
Step by Step Solution
- Step 1: Write the proportion equation
189.44 : 283.44 = 125 : x - Step 2: Convert to fraction form
189.44/283.44 = 125/x - Step 3: Cross multiply
189.44x = 283.44 × 125 - Step 4: Simplify right side
189.44x = 35,430 - Step 5: Solve for x
x = 35,430/189.44 - Step 6: Final answer
x = 187.02
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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.