Finding the Fourth Proportional to 154.97, 232.70 and 102.99
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Solution
The fourth proportional to 154.97, 232.70 and 102.99 is: 154.64
Step by Step Solution
- Step 1: Write the proportion equation
154.97 : 232.70 = 102.99 : x - Step 2: Convert to fraction form
154.97/232.70 = 102.99/x - Step 3: Cross multiply
154.97x = 232.70 × 102.99 - Step 4: Simplify right side
154.97x = 23,965.26 - Step 5: Solve for x
x = 23,965.26/154.97 - Step 6: Final answer
x = 154.64
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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.