Finding the Fourth Proportional to 42.29, 63.38 and 22.01
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Solution
The fourth proportional to 42.29, 63.38 and 22.01 is: 32.99
Step by Step Solution
- Step 1: Write the proportion equation
42.29 : 63.38 = 22.01 : x - Step 2: Convert to fraction form
42.29/63.38 = 22.01/x - Step 3: Cross multiply
42.29x = 63.38 × 22.01 - Step 4: Simplify right side
42.29x = 1,394.99 - Step 5: Solve for x
x = 1,394.99/42.29 - 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.