Finding the Fourth Proportional to 43.53, 65.15 and 29.99
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Solution
The fourth proportional to 43.53, 65.15 and 29.99 is: 44.89
Step by Step Solution
- Step 1: Write the proportion equation
43.53 : 65.15 = 29.99 : x - Step 2: Convert to fraction form
43.53/65.15 = 29.99/x - Step 3: Cross multiply
43.53x = 65.15 × 29.99 - Step 4: Simplify right side
43.53x = 1,953.85 - Step 5: Solve for x
x = 1,953.85/43.53 - Step 6: Final answer
x = 44.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.