Finding the Fourth Proportional to 464.82, 641.43 and 254.99
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Solution
The fourth proportional to 464.82, 641.43 and 254.99 is: 351.87
Step by Step Solution
- Step 1: Write the proportion equation
464.82 : 641.43 = 254.99 : x - Step 2: Convert to fraction form
464.82/641.43 = 254.99/x - Step 3: Cross multiply
464.82x = 641.43 × 254.99 - Step 4: Simplify right side
464.82x = 163,556.13 - Step 5: Solve for x
x = 163,556.13/464.82 - Step 6: Final answer
x = 351.87
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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.