Finding the Fourth Proportional to 326.95, 489.19 and 235.44
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Solution
The fourth proportional to 326.95, 489.19 and 235.44 is: 352.28
Step by Step Solution
- Step 1: Write the proportion equation
326.95 : 489.19 = 235.44 : x - Step 2: Convert to fraction form
326.95/489.19 = 235.44/x - Step 3: Cross multiply
326.95x = 489.19 × 235.44 - Step 4: Simplify right side
326.95x = 115,176.81 - Step 5: Solve for x
x = 115,176.81/326.95 - Step 6: Final answer
x = 352.28
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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.