Finding the Fourth Proportional to 59.30, 81.82 and 35.99
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Solution
The fourth proportional to 59.30, 81.82 and 35.99 is: 49.66
Step by Step Solution
- Step 1: Write the proportion equation
59.30 : 81.82 = 35.99 : x - Step 2: Convert to fraction form
59.30/81.82 = 35.99/x - Step 3: Cross multiply
59.30x = 81.82 × 35.99 - Step 4: Simplify right side
59.30x = 2,944.70 - Step 5: Solve for x
x = 2,944.70/59.30 - Step 6: Final answer
x = 49.66
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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.