Finding the Fourth Proportional to 293.94, 405.68 and 162.99
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Solution
The fourth proportional to 293.94, 405.68 and 162.99 is: 224.95
Step by Step Solution
- Step 1: Write the proportion equation
293.94 : 405.68 = 162.99 : x - Step 2: Convert to fraction form
293.94/405.68 = 162.99/x - Step 3: Cross multiply
293.94x = 405.68 × 162.99 - Step 4: Simplify right side
293.94x = 66,120.97 - Step 5: Solve for x
x = 66,120.97/293.94 - Step 6: Final answer
x = 224.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.