Finding the Fourth Proportional to 307.20, 460.08 and 178.68
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Solution
The fourth proportional to 307.20, 460.08 and 178.68 is: 267.60
Step by Step Solution
- Step 1: Write the proportion equation
307.20 : 460.08 = 178.68 : x - Step 2: Convert to fraction form
307.20/460.08 = 178.68/x - Step 3: Cross multiply
307.20x = 460.08 × 178.68 - Step 4: Simplify right side
307.20x = 82,207.09 - Step 5: Solve for x
x = 82,207.09/307.20 - Step 6: Final answer
x = 267.60
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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.