Finding the Fourth Proportional to 57.29, 79.11 and 44.99
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Solution
The fourth proportional to 57.29, 79.11 and 44.99 is: 62.12
Step by Step Solution
- Step 1: Write the proportion equation
57.29 : 79.11 = 44.99 : x - Step 2: Convert to fraction form
57.29/79.11 = 44.99/x - Step 3: Cross multiply
57.29x = 79.11 × 44.99 - Step 4: Simplify right side
57.29x = 3,558.93 - Step 5: Solve for x
x = 3,558.93/57.29 - Step 6: Final answer
x = 62.12
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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.