Finding the Fourth Proportional to 103.01, 154.46 and 38.00
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Solution
The fourth proportional to 103.01, 154.46 and 38.00 is: 56.99
Step by Step Solution
- Step 1: Write the proportion equation
103.01 : 154.46 = 38.00 : x - Step 2: Convert to fraction form
103.01/154.46 = 38.00/x - Step 3: Cross multiply
103.01x = 154.46 × 38.00 - Step 4: Simplify right side
103.01x = 5,869.96 - Step 5: Solve for x
x = 5,869.96/103.01 - Step 6: Final answer
x = 56.99
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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.