Finding the Fourth Proportional to 58.11, 80.18 and 35.99
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Solution
The fourth proportional to 58.11, 80.18 and 35.99 is: 49.66
Step by Step Solution
- Step 1: Write the proportion equation
58.11 : 80.18 = 35.99 : x - Step 2: Convert to fraction form
58.11/80.18 = 35.99/x - Step 3: Cross multiply
58.11x = 80.18 × 35.99 - Step 4: Simplify right side
58.11x = 2,885.67 - Step 5: Solve for x
x = 2,885.67/58.11 - 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.