Finding the Fourth Proportional to 441.38, 662.06 and 209.99
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Solution
The fourth proportional to 441.38, 662.06 and 209.99 is: 314.99
Step by Step Solution
- Step 1: Write the proportion equation
441.38 : 662.06 = 209.99 : x - Step 2: Convert to fraction form
441.38/662.06 = 209.99/x - Step 3: Cross multiply
441.38x = 662.06 × 209.99 - Step 4: Simplify right side
441.38x = 139,028.99 - Step 5: Solve for x
x = 139,028.99/441.38 - Step 6: Final answer
x = 314.99
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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.