Finding the Fourth Proportional to 379.98, 570.00 and 106.09
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Solution
The fourth proportional to 379.98, 570.00 and 106.09 is: 159.14
Step by Step Solution
- Step 1: Write the proportion equation
379.98 : 570.00 = 106.09 : x - Step 2: Convert to fraction form
379.98/570.00 = 106.09/x - Step 3: Cross multiply
379.98x = 570.00 × 106.09 - Step 4: Simplify right side
379.98x = 60,470.27 - Step 5: Solve for x
x = 60,470.27/379.98 - Step 6: Final answer
x = 159.14
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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.