Finding the Fourth Proportional to 309.97, 464.96 and 202.44
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Solution
The fourth proportional to 309.97, 464.96 and 202.44 is: 303.66
Step by Step Solution
- Step 1: Write the proportion equation
309.97 : 464.96 = 202.44 : x - Step 2: Convert to fraction form
309.97/464.96 = 202.44/x - Step 3: Cross multiply
309.97x = 464.96 × 202.44 - Step 4: Simplify right side
309.97x = 94,125.49 - Step 5: Solve for x
x = 94,125.49/309.97 - Step 6: Final answer
x = 303.66
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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.