Finding the Fourth Proportional to 373.44, 515.79 and 263.28
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Solution
The fourth proportional to 373.44, 515.79 and 263.28 is: 363.64
Step by Step Solution
- Step 1: Write the proportion equation
373.44 : 515.79 = 263.28 : x - Step 2: Convert to fraction form
373.44/515.79 = 263.28/x - Step 3: Cross multiply
373.44x = 515.79 × 263.28 - Step 4: Simplify right side
373.44x = 135,797.19 - Step 5: Solve for x
x = 135,797.19/373.44 - Step 6: Final answer
x = 363.64
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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.