Finding the Fourth Proportional to 365.79, 547.95 and 211.26
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Solution
The fourth proportional to 365.79, 547.95 and 211.26 is: 316.47
Step by Step Solution
- Step 1: Write the proportion equation
365.79 : 547.95 = 211.26 : x - Step 2: Convert to fraction form
365.79/547.95 = 211.26/x - Step 3: Cross multiply
365.79x = 547.95 × 211.26 - Step 4: Simplify right side
365.79x = 115,759.92 - Step 5: Solve for x
x = 115,759.92/365.79 - Step 6: Final answer
x = 316.47
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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.