Finding the Fourth Proportional to 43.20, 59.52 and 33.99
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Solution
The fourth proportional to 43.20, 59.52 and 33.99 is: 46.83
Step by Step Solution
- Step 1: Write the proportion equation
43.20 : 59.52 = 33.99 : x - Step 2: Convert to fraction form
43.20/59.52 = 33.99/x - Step 3: Cross multiply
43.20x = 59.52 × 33.99 - Step 4: Simplify right side
43.20x = 2,023.08 - Step 5: Solve for x
x = 2,023.08/43.20 - Step 6: Final answer
x = 46.83
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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.