Finding the Fourth Proportional to 306.98, 460.11 and 133.79
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Solution
The fourth proportional to 306.98, 460.11 and 133.79 is: 200.53
Step by Step Solution
- Step 1: Write the proportion equation
306.98 : 460.11 = 133.79 : x - Step 2: Convert to fraction form
306.98/460.11 = 133.79/x - Step 3: Cross multiply
306.98x = 460.11 × 133.79 - Step 4: Simplify right side
306.98x = 61,558.12 - Step 5: Solve for x
x = 61,558.12/306.98 - Step 6: Final answer
x = 200.53
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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.