Finding the Fourth Proportional to 108.00, 162.02 and 30.96
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Solution
The fourth proportional to 108.00, 162.02 and 30.96 is: 46.45
Step by Step Solution
- Step 1: Write the proportion equation
108.00 : 162.02 = 30.96 : x - Step 2: Convert to fraction form
108.00/162.02 = 30.96/x - Step 3: Cross multiply
108.00x = 162.02 × 30.96 - Step 4: Simplify right side
108.00x = 5,016.14 - Step 5: Solve for x
x = 5,016.14/108.00 - Step 6: Final answer
x = 46.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.