Finding the Fourth Proportional to 297.05, 445.62 and 104.63
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Solution
The fourth proportional to 297.05, 445.62 and 104.63 is: 156.96
Step by Step Solution
- Step 1: Write the proportion equation
297.05 : 445.62 = 104.63 : x - Step 2: Convert to fraction form
297.05/445.62 = 104.63/x - Step 3: Cross multiply
297.05x = 445.62 × 104.63 - Step 4: Simplify right side
297.05x = 46,622.99 - Step 5: Solve for x
x = 46,622.99/297.05 - Step 6: Final answer
x = 156.96
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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.