Finding the Fourth Proportional to 29.52, 44.31 and 27.99
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Solution
The fourth proportional to 29.52, 44.31 and 27.99 is: 42.02
Step by Step Solution
- Step 1: Write the proportion equation
29.52 : 44.31 = 27.99 : x - Step 2: Convert to fraction form
29.52/44.31 = 27.99/x - Step 3: Cross multiply
29.52x = 44.31 × 27.99 - Step 4: Simplify right side
29.52x = 1,240.34 - Step 5: Solve for x
x = 1,240.34/29.52 - Step 6: Final answer
x = 42.02
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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.