Finding the Fourth Proportional to 32.99, 45.50 and 22.10
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Solution
The fourth proportional to 32.99, 45.50 and 22.10 is: 30.47
Step by Step Solution
- Step 1: Write the proportion equation
32.99 : 45.50 = 22.10 : x - Step 2: Convert to fraction form
32.99/45.50 = 22.10/x - Step 3: Cross multiply
32.99x = 45.50 × 22.10 - Step 4: Simplify right side
32.99x = 1,005.21 - Step 5: Solve for x
x = 1,005.21/32.99 - Step 6: Final answer
x = 30.47
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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.