Finding the Fourth Proportional to 365.12, 547.19 and 133.79
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Solution
The fourth proportional to 365.12, 547.19 and 133.79 is: 200.50
Step by Step Solution
- Step 1: Write the proportion equation
365.12 : 547.19 = 133.79 : x - Step 2: Convert to fraction form
365.12/547.19 = 133.79/x - Step 3: Cross multiply
365.12x = 547.19 × 133.79 - Step 4: Simplify right side
365.12x = 73,207.88 - Step 5: Solve for x
x = 73,207.88/365.12 - Step 6: Final answer
x = 200.50
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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.