Finding the Fourth Proportional to 45.66, 62.85 and 33.99
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Solution
The fourth proportional to 45.66, 62.85 and 33.99 is: 46.79
Step by Step Solution
- Step 1: Write the proportion equation
45.66 : 62.85 = 33.99 : x - Step 2: Convert to fraction form
45.66/62.85 = 33.99/x - Step 3: Cross multiply
45.66x = 62.85 × 33.99 - Step 4: Simplify right side
45.66x = 2,136.27 - Step 5: Solve for x
x = 2,136.27/45.66 - Step 6: Final answer
x = 46.79
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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.