Finding the Fourth Proportional to 489.53, 733.84 and 197.23
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Solution
The fourth proportional to 489.53, 733.84 and 197.23 is: 295.66
Step by Step Solution
- Step 1: Write the proportion equation
489.53 : 733.84 = 197.23 : x - Step 2: Convert to fraction form
489.53/733.84 = 197.23/x - Step 3: Cross multiply
489.53x = 733.84 × 197.23 - Step 4: Simplify right side
489.53x = 144,735.26 - Step 5: Solve for x
x = 144,735.26/489.53 - Step 6: Final answer
x = 295.66
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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.