Finding the Fourth Proportional to 154.94, 232.43 and 63.62
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Solution
The fourth proportional to 154.94, 232.43 and 63.62 is: 95.44
Step by Step Solution
- Step 1: Write the proportion equation
154.94 : 232.43 = 63.62 : x - Step 2: Convert to fraction form
154.94/232.43 = 63.62/x - Step 3: Cross multiply
154.94x = 232.43 × 63.62 - Step 4: Simplify right side
154.94x = 14,787.24 - Step 5: Solve for x
x = 14,787.24/154.94 - Step 6: Final answer
x = 95.44
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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.