Finding the Fourth Proportional to 102.84, 154.34 and 41.99
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Solution
The fourth proportional to 102.84, 154.34 and 41.99 is: 63.01
Step by Step Solution
- Step 1: Write the proportion equation
102.84 : 154.34 = 41.99 : x - Step 2: Convert to fraction form
102.84/154.34 = 41.99/x - Step 3: Cross multiply
102.84x = 154.34 × 41.99 - Step 4: Simplify right side
102.84x = 6,479.75 - Step 5: Solve for x
x = 6,479.75/102.84 - Step 6: Final answer
x = 63.01
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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.