Finding the Fourth Proportional to 169.94, 234.50 and 100.00
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Solution
The fourth proportional to 169.94, 234.50 and 100.00 is: 137.99
Step by Step Solution
- Step 1: Write the proportion equation
169.94 : 234.50 = 100.00 : x - Step 2: Convert to fraction form
169.94/234.50 = 100.00/x - Step 3: Cross multiply
169.94x = 234.50 × 100.00 - Step 4: Simplify right side
169.94x = 23,449.16 - Step 5: Solve for x
x = 23,449.16/169.94 - Step 6: Final answer
x = 137.99
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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.