Finding the Fourth Proportional to 94.23, 141.28 and 33.34
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Solution
The fourth proportional to 94.23, 141.28 and 33.34 is: 49.99
Step by Step Solution
- Step 1: Write the proportion equation
94.23 : 141.28 = 33.34 : x - Step 2: Convert to fraction form
94.23/141.28 = 33.34/x - Step 3: Cross multiply
94.23x = 141.28 × 33.34 - Step 4: Simplify right side
94.23x = 4,710.28 - Step 5: Solve for x
x = 4,710.28/94.23 - Step 6: Final answer
x = 49.99
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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.