Finding the Fourth Proportional to 49.44, 74.18 and 23.77
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Solution
The fourth proportional to 49.44, 74.18 and 23.77 is: 35.66
Step by Step Solution
- Step 1: Write the proportion equation
49.44 : 74.18 = 23.77 : x - Step 2: Convert to fraction form
49.44/74.18 = 23.77/x - Step 3: Cross multiply
49.44x = 74.18 × 23.77 - Step 4: Simplify right side
49.44x = 1,763.26 - Step 5: Solve for x
x = 1,763.26/49.44 - Step 6: Final answer
x = 35.66
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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.