Finding the Fourth Proportional to 373.62, 515.79 and 263.19
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Solution
The fourth proportional to 373.62, 515.79 and 263.19 is: 363.34
Step by Step Solution
- Step 1: Write the proportion equation
373.62 : 515.79 = 263.19 : x - Step 2: Convert to fraction form
373.62/515.79 = 263.19/x - Step 3: Cross multiply
373.62x = 515.79 × 263.19 - Step 4: Simplify right side
373.62x = 135,750.77 - Step 5: Solve for x
x = 135,750.77/373.62 - Step 6: Final answer
x = 363.34
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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.