Finding the Fourth Proportional to 294.82, 406.88 and 190
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Solution
The fourth proportional to 294.82, 406.88 and 190 is: 262.22
Step by Step Solution
- Step 1: Write the proportion equation
294.82 : 406.88 = 190 : x - Step 2: Convert to fraction form
294.82/406.88 = 190/x - Step 3: Cross multiply
294.82x = 406.88 × 190 - Step 4: Simplify right side
294.82x = 77,307.20 - Step 5: Solve for x
x = 77,307.20/294.82 - Step 6: Final answer
x = 262.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.