Finding the Fourth Proportional to 202.06, 302.64 and 110.63
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Solution
The fourth proportional to 202.06, 302.64 and 110.63 is: 165.70
Step by Step Solution
- Step 1: Write the proportion equation
202.06 : 302.64 = 110.63 : x - Step 2: Convert to fraction form
202.06/302.64 = 110.63/x - Step 3: Cross multiply
202.06x = 302.64 × 110.63 - Step 4: Simplify right side
202.06x = 33,481.40 - Step 5: Solve for x
x = 33,481.40/202.06 - Step 6: Final answer
x = 165.70
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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.