Finding the Fourth Proportional to 292.08, 438.14 and 170.30
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Solution
The fourth proportional to 292.08, 438.14 and 170.30 is: 255.46
Step by Step Solution
- Step 1: Write the proportion equation
292.08 : 438.14 = 170.30 : x - Step 2: Convert to fraction form
292.08/438.14 = 170.30/x - Step 3: Cross multiply
292.08x = 438.14 × 170.30 - Step 4: Simplify right side
292.08x = 74,615.24 - Step 5: Solve for x
x = 74,615.24/292.08 - Step 6: Final answer
x = 255.46
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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.