Finding the Fourth Proportional to 59.09, 88.60 and 31.99
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Solution
The fourth proportional to 59.09, 88.60 and 31.99 is: 47.97
Step by Step Solution
- Step 1: Write the proportion equation
59.09 : 88.60 = 31.99 : x - Step 2: Convert to fraction form
59.09/88.60 = 31.99/x - Step 3: Cross multiply
59.09x = 88.60 × 31.99 - Step 4: Simplify right side
59.09x = 2,834.31 - Step 5: Solve for x
x = 2,834.31/59.09 - Step 6: Final answer
x = 47.97
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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.