Finding the Fourth Proportional to 373.93, 516.07 and 261.79
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Solution
The fourth proportional to 373.93, 516.07 and 261.79 is: 361.30
Step by Step Solution
- Step 1: Write the proportion equation
373.93 : 516.07 = 261.79 : x - Step 2: Convert to fraction form
373.93/516.07 = 261.79/x - Step 3: Cross multiply
373.93x = 516.07 × 261.79 - Step 4: Simplify right side
373.93x = 135,101.97 - Step 5: Solve for x
x = 135,101.97/373.93 - Step 6: Final answer
x = 361.30
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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.