Finding the Fourth Proportional to 53.98, 74.50 and 44.26
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Solution
The fourth proportional to 53.98, 74.50 and 44.26 is: 61.09
Step by Step Solution
- Step 1: Write the proportion equation
53.98 : 74.50 = 44.26 : x - Step 2: Convert to fraction form
53.98/74.50 = 44.26/x - Step 3: Cross multiply
53.98x = 74.50 × 44.26 - Step 4: Simplify right side
53.98x = 3,297.37 - Step 5: Solve for x
x = 3,297.37/53.98 - Step 6: Final answer
x = 61.09
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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.