Finding the Fourth Proportional to 232.30, 320.36 and 149.26
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Solution
The fourth proportional to 232.30, 320.36 and 149.26 is: 205.84
Step by Step Solution
- Step 1: Write the proportion equation
232.30 : 320.36 = 149.26 : x - Step 2: Convert to fraction form
232.30/320.36 = 149.26/x - Step 3: Cross multiply
232.30x = 320.36 × 149.26 - Step 4: Simplify right side
232.30x = 47,816.93 - Step 5: Solve for x
x = 47,816.93/232.30 - Step 6: Final answer
x = 205.84
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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.