Finding the Fourth Proportional to 413.99, 620.84 and 298.09
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Solution
The fourth proportional to 413.99, 620.84 and 298.09 is: 447.03
Step by Step Solution
- Step 1: Write the proportion equation
413.99 : 620.84 = 298.09 : x - Step 2: Convert to fraction form
413.99/620.84 = 298.09/x - Step 3: Cross multiply
413.99x = 620.84 × 298.09 - Step 4: Simplify right side
413.99x = 185,065.39 - Step 5: Solve for x
x = 185,065.39/413.99 - Step 6: Final answer
x = 447.03
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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.