Finding the Fourth Proportional to 59.80, 89.75 and 36.99
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Solution
The fourth proportional to 59.80, 89.75 and 36.99 is: 55.52
Step by Step Solution
- Step 1: Write the proportion equation
59.80 : 89.75 = 36.99 : x - Step 2: Convert to fraction form
59.80/89.75 = 36.99/x - Step 3: Cross multiply
59.80x = 89.75 × 36.99 - Step 4: Simplify right side
59.80x = 3,320.30 - Step 5: Solve for x
x = 3,320.30/59.80 - Step 6: Final answer
x = 55.52
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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.