Finding the Fourth Proportional to 29.27, 40.46 and 27.99
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Solution
The fourth proportional to 29.27, 40.46 and 27.99 is: 38.70
Step by Step Solution
- Step 1: Write the proportion equation
29.27 : 40.46 = 27.99 : x - Step 2: Convert to fraction form
29.27/40.46 = 27.99/x - Step 3: Cross multiply
29.27x = 40.46 × 27.99 - Step 4: Simplify right side
29.27x = 1,132.65 - Step 5: Solve for x
x = 1,132.65/29.27 - Step 6: Final answer
x = 38.70
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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.