Finding the Fourth Proportional to 53.08, 79.63 and 44.60
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Solution
The fourth proportional to 53.08, 79.63 and 44.60 is: 66.90
Step by Step Solution
- Step 1: Write the proportion equation
53.08 : 79.63 = 44.60 : x - Step 2: Convert to fraction form
53.08/79.63 = 44.60/x - Step 3: Cross multiply
53.08x = 79.63 × 44.60 - Step 4: Simplify right side
53.08x = 3,550.99 - Step 5: Solve for x
x = 3,550.99/53.08 - Step 6: Final answer
x = 66.90
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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.