Finding the Fourth Proportional to 413.36, 570.08 and 358.08
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Solution
The fourth proportional to 413.36, 570.08 and 358.08 is: 493.84
Step by Step Solution
- Step 1: Write the proportion equation
413.36 : 570.08 = 358.08 : x - Step 2: Convert to fraction form
413.36/570.08 = 358.08/x - Step 3: Cross multiply
413.36x = 570.08 × 358.08 - Step 4: Simplify right side
413.36x = 204,134.25 - Step 5: Solve for x
x = 204,134.25/413.36 - Step 6: Final answer
x = 493.84
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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.