Finding the Fourth Proportional to 489.14, 733.79 and 159.99
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Solution
The fourth proportional to 489.14, 733.79 and 159.99 is: 240.00
Step by Step Solution
- Step 1: Write the proportion equation
489.14 : 733.79 = 159.99 : x - Step 2: Convert to fraction form
489.14/733.79 = 159.99/x - Step 3: Cross multiply
489.14x = 733.79 × 159.99 - Step 4: Simplify right side
489.14x = 117,394.59 - Step 5: Solve for x
x = 117,394.59/489.14 - Step 6: Final answer
x = 240.00
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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.