Finding the Fourth Proportional to 204.44, 306.57 and 74.44
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Solution
The fourth proportional to 204.44, 306.57 and 74.44 is: 111.63
Step by Step Solution
- Step 1: Write the proportion equation
204.44 : 306.57 = 74.44 : x - Step 2: Convert to fraction form
204.44/306.57 = 74.44/x - Step 3: Cross multiply
204.44x = 306.57 × 74.44 - Step 4: Simplify right side
204.44x = 22,822.18 - Step 5: Solve for x
x = 22,822.18/204.44 - Step 6: Final answer
x = 111.63
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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.