Finding the Fourth Proportional to 413.09, 569.95 and 235.99
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Solution
The fourth proportional to 413.09, 569.95 and 235.99 is: 325.60
Step by Step Solution
- Step 1: Write the proportion equation
413.09 : 569.95 = 235.99 : x - Step 2: Convert to fraction form
413.09/569.95 = 235.99/x - Step 3: Cross multiply
413.09x = 569.95 × 235.99 - Step 4: Simplify right side
413.09x = 134,502.15 - Step 5: Solve for x
x = 134,502.15/413.09 - Step 6: Final answer
x = 325.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.