Finding the Fourth Proportional to 351.68, 484.79 and 246.44
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Solution
The fourth proportional to 351.68, 484.79 and 246.44 is: 339.73
Step by Step Solution
- Step 1: Write the proportion equation
351.68 : 484.79 = 246.44 : x - Step 2: Convert to fraction form
351.68/484.79 = 246.44/x - Step 3: Cross multiply
351.68x = 484.79 × 246.44 - Step 4: Simplify right side
351.68x = 119,473.48 - Step 5: Solve for x
x = 119,473.48/351.68 - Step 6: Final answer
x = 339.73
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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.