Finding the Fourth Proportional to 232.62, 320.99 and 145.26
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Solution
The fourth proportional to 232.62, 320.99 and 145.26 is: 200.44
Step by Step Solution
- Step 1: Write the proportion equation
232.62 : 320.99 = 145.26 : x - Step 2: Convert to fraction form
232.62/320.99 = 145.26/x - Step 3: Cross multiply
232.62x = 320.99 × 145.26 - Step 4: Simplify right side
232.62x = 46,626.28 - Step 5: Solve for x
x = 46,626.28/232.62 - Step 6: Final answer
x = 200.44
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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.