Finding the Fourth Proportional to 269.18, 403.36 and 197.09
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Solution
The fourth proportional to 269.18, 403.36 and 197.09 is: 295.33
Step by Step Solution
- Step 1: Write the proportion equation
269.18 : 403.36 = 197.09 : x - Step 2: Convert to fraction form
269.18/403.36 = 197.09/x - Step 3: Cross multiply
269.18x = 403.36 × 197.09 - Step 4: Simplify right side
269.18x = 79,495.71 - Step 5: Solve for x
x = 79,495.71/269.18 - Step 6: Final answer
x = 295.33
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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.