Finding the Fourth Proportional to 230.44, 345.84 and 149.26
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Solution
The fourth proportional to 230.44, 345.84 and 149.26 is: 224.01
Step by Step Solution
- Step 1: Write the proportion equation
230.44 : 345.84 = 149.26 : x - Step 2: Convert to fraction form
230.44/345.84 = 149.26/x - Step 3: Cross multiply
230.44x = 345.84 × 149.26 - Step 4: Simplify right side
230.44x = 51,620.08 - Step 5: Solve for x
x = 51,620.08/230.44 - Step 6: Final answer
x = 224.01
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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.