Finding the Fourth Proportional to 189.17, 283.46 and 124.05
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Solution
The fourth proportional to 189.17, 283.46 and 124.05 is: 185.88
Step by Step Solution
- Step 1: Write the proportion equation
189.17 : 283.46 = 124.05 : x - Step 2: Convert to fraction form
189.17/283.46 = 124.05/x - Step 3: Cross multiply
189.17x = 283.46 × 124.05 - Step 4: Simplify right side
189.17x = 35,162.59 - Step 5: Solve for x
x = 35,162.59/189.17 - Step 6: Final answer
x = 185.88
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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.