Finding the Fourth Proportional to 162.44, 243.34 and 100.68
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Solution
The fourth proportional to 162.44, 243.34 and 100.68 is: 150.82
Step by Step Solution
- Step 1: Write the proportion equation
162.44 : 243.34 = 100.68 : x - Step 2: Convert to fraction form
162.44/243.34 = 100.68/x - Step 3: Cross multiply
162.44x = 243.34 × 100.68 - Step 4: Simplify right side
162.44x = 24,498.31 - Step 5: Solve for x
x = 24,498.31/162.44 - Step 6: Final answer
x = 150.82
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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.