Finding the Fourth Proportional to 413.03, 619.81 and 178.99
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Solution
The fourth proportional to 413.03, 619.81 and 178.99 is: 268.60
Step by Step Solution
- Step 1: Write the proportion equation
413.03 : 619.81 = 178.99 : x - Step 2: Convert to fraction form
413.03/619.81 = 178.99/x - Step 3: Cross multiply
413.03x = 619.81 × 178.99 - Step 4: Simplify right side
413.03x = 110,938.62 - Step 5: Solve for x
x = 110,938.62/413.03 - Step 6: Final answer
x = 268.60
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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.