Finding the Fourth Proportional to 273.18, 407.67 and 243.99
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Solution
The fourth proportional to 273.18, 407.67 and 243.99 is: 364.10
Step by Step Solution
- Step 1: Write the proportion equation
273.18 : 407.67 = 243.99 : x - Step 2: Convert to fraction form
273.18/407.67 = 243.99/x - Step 3: Cross multiply
273.18x = 407.67 × 243.99 - Step 4: Simplify right side
273.18x = 99,465.06 - Step 5: Solve for x
x = 99,465.06/273.18 - Step 6: Final answer
x = 364.10
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.