Finding the Fourth Proportional to 238.26, 357.12 and 174
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Solution
The fourth proportional to 238.26, 357.12 and 174 is: 260.80
Step by Step Solution
- Step 1: Write the proportion equation
238.26 : 357.12 = 174 : x - Step 2: Convert to fraction form
238.26/357.12 = 174/x - Step 3: Cross multiply
238.26x = 357.12 × 174 - Step 4: Simplify right side
238.26x = 62,138.88 - Step 5: Solve for x
x = 62,138.88/238.26 - Step 6: Final answer
x = 260.80
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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.