Finding the Fourth Proportional to 122.66, 184.01 and 35.99
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Solution
The fourth proportional to 122.66, 184.01 and 35.99 is: 53.98
Step by Step Solution
- Step 1: Write the proportion equation
122.66 : 184.01 = 35.99 : x - Step 2: Convert to fraction form
122.66/184.01 = 35.99/x - Step 3: Cross multiply
122.66x = 184.01 × 35.99 - Step 4: Simplify right side
122.66x = 6,621.42 - Step 5: Solve for x
x = 6,621.42/122.66 - Step 6: Final answer
x = 53.98
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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.