Finding the Fourth Proportional to 30.11, 44.97 and 26.75
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Solution
The fourth proportional to 30.11, 44.97 and 26.75 is: 39.95
Step by Step Solution
- Step 1: Write the proportion equation
30.11 : 44.97 = 26.75 : x - Step 2: Convert to fraction form
30.11/44.97 = 26.75/x - Step 3: Cross multiply
30.11x = 44.97 × 26.75 - Step 4: Simplify right side
30.11x = 1,202.62 - Step 5: Solve for x
x = 1,202.62/30.11 - Step 6: Final answer
x = 39.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.