Finding the Fourth Proportional to 122.44, 184.08 and 68.44
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Solution
The fourth proportional to 122.44, 184.08 and 68.44 is: 102.89
Step by Step Solution
- Step 1: Write the proportion equation
122.44 : 184.08 = 68.44 : x - Step 2: Convert to fraction form
122.44/184.08 = 68.44/x - Step 3: Cross multiply
122.44x = 184.08 × 68.44 - Step 4: Simplify right side
122.44x = 12,598.44 - Step 5: Solve for x
x = 12,598.44/122.44 - Step 6: Final answer
x = 102.89
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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.