Finding the Fourth Proportional to 413.30, 615.98 and 395.99
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Solution
The fourth proportional to 413.30, 615.98 and 395.99 is: 590.18
Step by Step Solution
- Step 1: Write the proportion equation
413.30 : 615.98 = 395.99 : x - Step 2: Convert to fraction form
413.30/615.98 = 395.99/x - Step 3: Cross multiply
413.30x = 615.98 × 395.99 - Step 4: Simplify right side
413.30x = 243,918.35 - Step 5: Solve for x
x = 243,918.35/413.30 - Step 6: Final answer
x = 590.18
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.