Finding the Fourth Proportional to 292.21, 437.74 and 170.21
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Solution
The fourth proportional to 292.21, 437.74 and 170.21 is: 254.98
Step by Step Solution
- Step 1: Write the proportion equation
292.21 : 437.74 = 170.21 : x - Step 2: Convert to fraction form
292.21/437.74 = 170.21/x - Step 3: Cross multiply
292.21x = 437.74 × 170.21 - Step 4: Simplify right side
292.21x = 74,506.87 - Step 5: Solve for x
x = 74,506.87/292.21 - Step 6: Final answer
x = 254.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.