Finding the Fourth Proportional to 37.56, 56.36 and 28.99
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Solution
The fourth proportional to 37.56, 56.36 and 28.99 is: 43.50
Step by Step Solution
- Step 1: Write the proportion equation
37.56 : 56.36 = 28.99 : x - Step 2: Convert to fraction form
37.56/56.36 = 28.99/x - Step 3: Cross multiply
37.56x = 56.36 × 28.99 - Step 4: Simplify right side
37.56x = 1,634.02 - Step 5: Solve for x
x = 1,634.02/37.56 - Step 6: Final answer
x = 43.50
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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.