Finding the Fourth Proportional to 59.38, 88.99 and 30.49
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Solution
The fourth proportional to 59.38, 88.99 and 30.49 is: 45.69
Step by Step Solution
- Step 1: Write the proportion equation
59.38 : 88.99 = 30.49 : x - Step 2: Convert to fraction form
59.38/88.99 = 30.49/x - Step 3: Cross multiply
59.38x = 88.99 × 30.49 - Step 4: Simplify right side
59.38x = 2,713.01 - Step 5: Solve for x
x = 2,713.01/59.38 - Step 6: Final answer
x = 45.69
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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.