Finding the Fourth Proportional to 306.41, 460.53 and 252.65
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Solution
The fourth proportional to 306.41, 460.53 and 252.65 is: 379.74
Step by Step Solution
- Step 1: Write the proportion equation
306.41 : 460.53 = 252.65 : x - Step 2: Convert to fraction form
306.41/460.53 = 252.65/x - Step 3: Cross multiply
306.41x = 460.53 × 252.65 - Step 4: Simplify right side
306.41x = 116,354.06 - Step 5: Solve for x
x = 116,354.06/306.41 - Step 6: Final answer
x = 379.74
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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.