Finding the Fourth Proportional to 58.55, 80.79 and 33.99
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Solution
The fourth proportional to 58.55, 80.79 and 33.99 is: 46.90
Step by Step Solution
- Step 1: Write the proportion equation
58.55 : 80.79 = 33.99 : x - Step 2: Convert to fraction form
58.55/80.79 = 33.99/x - Step 3: Cross multiply
58.55x = 80.79 × 33.99 - Step 4: Simplify right side
58.55x = 2,746.05 - Step 5: Solve for x
x = 2,746.05/58.55 - Step 6: Final answer
x = 46.90
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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.