Finding the Fourth Proportional to 296.75, 445.19 and 125.75
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Solution
The fourth proportional to 296.75, 445.19 and 125.75 is: 188.65
Step by Step Solution
- Step 1: Write the proportion equation
296.75 : 445.19 = 125.75 : x - Step 2: Convert to fraction form
296.75/445.19 = 125.75/x - Step 3: Cross multiply
296.75x = 445.19 × 125.75 - Step 4: Simplify right side
296.75x = 55,982.64 - Step 5: Solve for x
x = 55,982.64/296.75 - Step 6: Final answer
x = 188.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.