Finding the Fourth Proportional to 202.44, 303.09 and 156.88
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Solution
The fourth proportional to 202.44, 303.09 and 156.88 is: 234.88
Step by Step Solution
- Step 1: Write the proportion equation
202.44 : 303.09 = 156.88 : x - Step 2: Convert to fraction form
202.44/303.09 = 156.88/x - Step 3: Cross multiply
202.44x = 303.09 × 156.88 - Step 4: Simplify right side
202.44x = 47,548.76 - Step 5: Solve for x
x = 47,548.76/202.44 - Step 6: Final answer
x = 234.88
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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.