Finding the Fourth Proportional to 351.43, 484.99 and 204.07
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Solution
The fourth proportional to 351.43, 484.99 and 204.07 is: 281.63
Step by Step Solution
- Step 1: Write the proportion equation
351.43 : 484.99 = 204.07 : x - Step 2: Convert to fraction form
351.43/484.99 = 204.07/x - Step 3: Cross multiply
351.43x = 484.99 × 204.07 - Step 4: Simplify right side
351.43x = 98,971.91 - Step 5: Solve for x
x = 98,971.91/351.43 - Step 6: Final answer
x = 281.63
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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.