Finding the Fourth Proportional to 154.36, 232.63 and 122.50
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Solution
The fourth proportional to 154.36, 232.63 and 122.50 is: 184.62
Step by Step Solution
- Step 1: Write the proportion equation
154.36 : 232.63 = 122.50 : x - Step 2: Convert to fraction form
154.36/232.63 = 122.50/x - Step 3: Cross multiply
154.36x = 232.63 × 122.50 - Step 4: Simplify right side
154.36x = 28,497.18 - Step 5: Solve for x
x = 28,497.18/154.36 - Step 6: Final answer
x = 184.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.