Finding the Fourth Proportional to 347.84, 480.26 and 267.96
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Solution
The fourth proportional to 347.84, 480.26 and 267.96 is: 369.96
Step by Step Solution
- Step 1: Write the proportion equation
347.84 : 480.26 = 267.96 : x - Step 2: Convert to fraction form
347.84/480.26 = 267.96/x - Step 3: Cross multiply
347.84x = 480.26 × 267.96 - Step 4: Simplify right side
347.84x = 128,690.24 - Step 5: Solve for x
x = 128,690.24/347.84 - Step 6: Final answer
x = 369.96
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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.