Finding the Fourth Proportional to 406.41, 609.95 and 163.11
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Solution
The fourth proportional to 406.41, 609.95 and 163.11 is: 244.80
Step by Step Solution
- Step 1: Write the proportion equation
406.41 : 609.95 = 163.11 : x - Step 2: Convert to fraction form
406.41/609.95 = 163.11/x - Step 3: Cross multiply
406.41x = 609.95 × 163.11 - Step 4: Simplify right side
406.41x = 99,488.13 - Step 5: Solve for x
x = 99,488.13/406.41 - Step 6: Final answer
x = 244.80
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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.