Finding the Fourth Proportional to 232.12, 320.07 and 149.19
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Solution
The fourth proportional to 232.12, 320.07 and 149.19 is: 205.72
Step by Step Solution
- Step 1: Write the proportion equation
232.12 : 320.07 = 149.19 : x - Step 2: Convert to fraction form
232.12/320.07 = 149.19/x - Step 3: Cross multiply
232.12x = 320.07 × 149.19 - Step 4: Simplify right side
232.12x = 47,751.24 - Step 5: Solve for x
x = 47,751.24/232.12 - Step 6: Final answer
x = 205.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.