Finding the Fourth Proportional to 365.23, 547.36 and 133.91
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Solution
The fourth proportional to 365.23, 547.36 and 133.91 is: 200.69
Step by Step Solution
- Step 1: Write the proportion equation
365.23 : 547.36 = 133.91 : x - Step 2: Convert to fraction form
365.23/547.36 = 133.91/x - Step 3: Cross multiply
365.23x = 547.36 × 133.91 - Step 4: Simplify right side
365.23x = 73,296.98 - Step 5: Solve for x
x = 73,296.98/365.23 - Step 6: Final answer
x = 200.69
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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.