Finding the Fourth Proportional to 322.07, 483.19 and 126.95
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Solution
The fourth proportional to 322.07, 483.19 and 126.95 is: 190.45
Step by Step Solution
- Step 1: Write the proportion equation
322.07 : 483.19 = 126.95 : x - Step 2: Convert to fraction form
322.07/483.19 = 126.95/x - Step 3: Cross multiply
322.07x = 483.19 × 126.95 - Step 4: Simplify right side
322.07x = 61,338.24 - Step 5: Solve for x
x = 61,338.24/322.07 - Step 6: Final answer
x = 190.45
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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.