Finding the Fourth Proportional to 682.97, 1,023.66 and 316.99
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Solution
The fourth proportional to 682.97, 1,023.66 and 316.99 is: 475.11
Step by Step Solution
- Step 1: Write the proportion equation
682.97 : 1,023.66 = 316.99 : x - Step 2: Convert to fraction form
682.97/1,023.66 = 316.99/x - Step 3: Cross multiply
682.97x = 1,023.66 × 316.99 - Step 4: Simplify right side
682.97x = 324,489.19 - Step 5: Solve for x
x = 324,489.19/682.97 - Step 6: Final answer
x = 475.11
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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.