Finding the Fourth Proportional to 187.24, 281.01 and 122.23
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Solution
The fourth proportional to 187.24, 281.01 and 122.23 is: 183.44
Step by Step Solution
- Step 1: Write the proportion equation
187.24 : 281.01 = 122.23 : x - Step 2: Convert to fraction form
187.24/281.01 = 122.23/x - Step 3: Cross multiply
187.24x = 281.01 × 122.23 - Step 4: Simplify right side
187.24x = 34,347.13 - Step 5: Solve for x
x = 34,347.13/187.24 - Step 6: Final answer
x = 183.44
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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.