Finding the Fourth Proportional to 35.57, 53.28 and 22.02
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Solution
The fourth proportional to 35.57, 53.28 and 22.02 is: 32.99
Step by Step Solution
- Step 1: Write the proportion equation
35.57 : 53.28 = 22.02 : x - Step 2: Convert to fraction form
35.57/53.28 = 22.02/x - Step 3: Cross multiply
35.57x = 53.28 × 22.02 - Step 4: Simplify right side
35.57x = 1,173.23 - Step 5: Solve for x
x = 1,173.23/35.57 - Step 6: Final answer
x = 32.99
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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.