Finding the Fourth Proportional to 65.59, 98.43 and 43.99
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Solution
The fourth proportional to 65.59, 98.43 and 43.99 is: 66.02
Step by Step Solution
- Step 1: Write the proportion equation
65.59 : 98.43 = 43.99 : x - Step 2: Convert to fraction form
65.59/98.43 = 43.99/x - Step 3: Cross multiply
65.59x = 98.43 × 43.99 - Step 4: Simplify right side
65.59x = 4,329.94 - Step 5: Solve for x
x = 4,329.94/65.59 - Step 6: Final answer
x = 66.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.