Finding the Fourth Proportional to 394.98, 592.08 and 163.80
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Solution
The fourth proportional to 394.98, 592.08 and 163.80 is: 245.54
Step by Step Solution
- Step 1: Write the proportion equation
394.98 : 592.08 = 163.80 : x - Step 2: Convert to fraction form
394.98/592.08 = 163.80/x - Step 3: Cross multiply
394.98x = 592.08 × 163.80 - Step 4: Simplify right side
394.98x = 96,982.70 - Step 5: Solve for x
x = 96,982.70/394.98 - Step 6: Final answer
x = 245.54
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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.