Finding the Fourth Proportional to 413.18, 620.07 and 332.99
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Solution
The fourth proportional to 413.18, 620.07 and 332.99 is: 499.73
Step by Step Solution
- Step 1: Write the proportion equation
413.18 : 620.07 = 332.99 : x - Step 2: Convert to fraction form
413.18/620.07 = 332.99/x - Step 3: Cross multiply
413.18x = 620.07 × 332.99 - Step 4: Simplify right side
413.18x = 206,477.11 - Step 5: Solve for x
x = 206,477.11/413.18 - Step 6: Final answer
x = 499.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.