Finding the Fourth Proportional to 35.01, 48.33 and 30.42
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Solution
The fourth proportional to 35.01, 48.33 and 30.42 is: 41.99
Step by Step Solution
- Step 1: Write the proportion equation
35.01 : 48.33 = 30.42 : x - Step 2: Convert to fraction form
35.01/48.33 = 30.42/x - Step 3: Cross multiply
35.01x = 48.33 × 30.42 - Step 4: Simplify right side
35.01x = 1,470.20 - Step 5: Solve for x
x = 1,470.20/35.01 - Step 6: Final answer
x = 41.99
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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.