Finding the Fourth Proportional to 413.99, 621.08 and 170.54
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Solution
The fourth proportional to 413.99, 621.08 and 170.54 is: 255.85
Step by Step Solution
- Step 1: Write the proportion equation
413.99 : 621.08 = 170.54 : x - Step 2: Convert to fraction form
413.99/621.08 = 170.54/x - Step 3: Cross multiply
413.99x = 621.08 × 170.54 - Step 4: Simplify right side
413.99x = 105,919.68 - Step 5: Solve for x
x = 105,919.68/413.99 - Step 6: Final answer
x = 255.85
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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.