Finding the Fourth Proportional to 202.63, 279.62 and 110.63
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Solution
The fourth proportional to 202.63, 279.62 and 110.63 is: 152.66
Step by Step Solution
- Step 1: Write the proportion equation
202.63 : 279.62 = 110.63 : x - Step 2: Convert to fraction form
202.63/279.62 = 110.63/x - Step 3: Cross multiply
202.63x = 279.62 × 110.63 - Step 4: Simplify right side
202.63x = 30,933.24 - Step 5: Solve for x
x = 30,933.24/202.63 - Step 6: Final answer
x = 152.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.