Finding the Fourth Proportional to 306.06, 459.14 and 113.70
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Solution
The fourth proportional to 306.06, 459.14 and 113.70 is: 170.57
Step by Step Solution
- Step 1: Write the proportion equation
306.06 : 459.14 = 113.70 : x - Step 2: Convert to fraction form
306.06/459.14 = 113.70/x - Step 3: Cross multiply
306.06x = 459.14 × 113.70 - Step 4: Simplify right side
306.06x = 52,204.22 - Step 5: Solve for x
x = 52,204.22/306.06 - Step 6: Final answer
x = 170.57
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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.