Finding the Fourth Proportional to 413.91, 621.07 and 170.44
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Solution
The fourth proportional to 413.91, 621.07 and 170.44 is: 255.74
Step by Step Solution
- Step 1: Write the proportion equation
413.91 : 621.07 = 170.44 : x - Step 2: Convert to fraction form
413.91/621.07 = 170.44/x - Step 3: Cross multiply
413.91x = 621.07 × 170.44 - Step 4: Simplify right side
413.91x = 105,853.19 - Step 5: Solve for x
x = 105,853.19/413.91 - Step 6: Final answer
x = 255.74
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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.