Finding the Fourth Proportional to 37.60, 56.18 and 27.99
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Solution
The fourth proportional to 37.60, 56.18 and 27.99 is: 41.82
Step by Step Solution
- Step 1: Write the proportion equation
37.60 : 56.18 = 27.99 : x - Step 2: Convert to fraction form
37.60/56.18 = 27.99/x - Step 3: Cross multiply
37.60x = 56.18 × 27.99 - Step 4: Simplify right side
37.60x = 1,572.48 - Step 5: Solve for x
x = 1,572.48/37.60 - Step 6: Final answer
x = 41.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.