Finding the Fourth Proportional to 306.74, 460.26 and 124.26
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Solution
The fourth proportional to 306.74, 460.26 and 124.26 is: 186.45
Step by Step Solution
- Step 1: Write the proportion equation
306.74 : 460.26 = 124.26 : x - Step 2: Convert to fraction form
306.74/460.26 = 124.26/x - Step 3: Cross multiply
306.74x = 460.26 × 124.26 - Step 4: Simplify right side
306.74x = 57,191.91 - Step 5: Solve for x
x = 57,191.91/306.74 - Step 6: Final answer
x = 186.45
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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.