Finding the Fourth Proportional to 232.53, 320.99 and 149.75
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Solution
The fourth proportional to 232.53, 320.99 and 149.75 is: 206.71
Step by Step Solution
- Step 1: Write the proportion equation
232.53 : 320.99 = 149.75 : x - Step 2: Convert to fraction form
232.53/320.99 = 149.75/x - Step 3: Cross multiply
232.53x = 320.99 × 149.75 - Step 4: Simplify right side
232.53x = 48,066.74 - Step 5: Solve for x
x = 48,066.74/232.53 - Step 6: Final answer
x = 206.71
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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.