Finding the Fourth Proportional to 154.99, 232.42 and 63.64
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Solution
The fourth proportional to 154.99, 232.42 and 63.64 is: 95.43
Step by Step Solution
- Step 1: Write the proportion equation
154.99 : 232.42 = 63.64 : x - Step 2: Convert to fraction form
154.99/232.42 = 63.64/x - Step 3: Cross multiply
154.99x = 232.42 × 63.64 - Step 4: Simplify right side
154.99x = 14,791.21 - Step 5: Solve for x
x = 14,791.21/154.99 - Step 6: Final answer
x = 95.43
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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.