Finding the Fourth Proportional to 415.93, 573.99 and 268.84
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Solution
The fourth proportional to 415.93, 573.99 and 268.84 is: 371.00
Step by Step Solution
- Step 1: Write the proportion equation
415.93 : 573.99 = 268.84 : x - Step 2: Convert to fraction form
415.93/573.99 = 268.84/x - Step 3: Cross multiply
415.93x = 573.99 × 268.84 - Step 4: Simplify right side
415.93x = 154,311.47 - Step 5: Solve for x
x = 154,311.47/415.93 - Step 6: Final answer
x = 371.00
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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.