Finding the Fourth Proportional to 173.99, 239.99 and 104.00
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Solution
The fourth proportional to 173.99, 239.99 and 104.00 is: 143.45
Step by Step Solution
- Step 1: Write the proportion equation
173.99 : 239.99 = 104.00 : x - Step 2: Convert to fraction form
173.99/239.99 = 104.00/x - Step 3: Cross multiply
173.99x = 239.99 × 104.00 - Step 4: Simplify right side
173.99x = 24,958.92 - Step 5: Solve for x
x = 24,958.92/173.99 - Step 6: Final answer
x = 143.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.