Finding the Fourth Proportional to 298.07, 446.72 and 216.09
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Solution
The fourth proportional to 298.07, 446.72 and 216.09 is: 323.86
Step by Step Solution
- Step 1: Write the proportion equation
298.07 : 446.72 = 216.09 : x - Step 2: Convert to fraction form
298.07/446.72 = 216.09/x - Step 3: Cross multiply
298.07x = 446.72 × 216.09 - Step 4: Simplify right side
298.07x = 96,531.72 - Step 5: Solve for x
x = 96,531.72/298.07 - Step 6: Final answer
x = 323.86
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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.