Finding the Fourth Proportional to 122.58, 183.96 and 88.44
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Solution
The fourth proportional to 122.58, 183.96 and 88.44 is: 132.72
Step by Step Solution
- Step 1: Write the proportion equation
122.58 : 183.96 = 88.44 : x - Step 2: Convert to fraction form
122.58/183.96 = 88.44/x - Step 3: Cross multiply
122.58x = 183.96 × 88.44 - Step 4: Simplify right side
122.58x = 16,269.42 - Step 5: Solve for x
x = 16,269.42/122.58 - Step 6: Final answer
x = 132.72
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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.