Finding the Fourth Proportional to 489.26, 733.62 and 297.02
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Solution
The fourth proportional to 489.26, 733.62 and 297.02 is: 445.37
Step by Step Solution
- Step 1: Write the proportion equation
489.26 : 733.62 = 297.02 : x - Step 2: Convert to fraction form
489.26/733.62 = 297.02/x - Step 3: Cross multiply
489.26x = 733.62 × 297.02 - Step 4: Simplify right side
489.26x = 217,899.81 - Step 5: Solve for x
x = 217,899.81/489.26 - Step 6: Final answer
x = 445.37
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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.