Finding the Fourth Proportional to 269.53, 403.99 and 207.63
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Solution
The fourth proportional to 269.53, 403.99 and 207.63 is: 311.21
Step by Step Solution
- Step 1: Write the proportion equation
269.53 : 403.99 = 207.63 : x - Step 2: Convert to fraction form
269.53/403.99 = 207.63/x - Step 3: Cross multiply
269.53x = 403.99 × 207.63 - Step 4: Simplify right side
269.53x = 83,879.92 - Step 5: Solve for x
x = 83,879.92/269.53 - Step 6: Final answer
x = 311.21
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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.