Finding the Fourth Proportional to 33.47, 46.40 and 32.99
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Solution
The fourth proportional to 33.47, 46.40 and 32.99 is: 45.73
Step by Step Solution
- Step 1: Write the proportion equation
33.47 : 46.40 = 32.99 : x - Step 2: Convert to fraction form
33.47/46.40 = 32.99/x - Step 3: Cross multiply
33.47x = 46.40 × 32.99 - Step 4: Simplify right side
33.47x = 1,530.74 - Step 5: Solve for x
x = 1,530.74/33.47 - Step 6: Final answer
x = 45.73
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.