Finding the Fourth Proportional to 58.99, 81.02 and 49.75
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Solution
The fourth proportional to 58.99, 81.02 and 49.75 is: 68.33
Step by Step Solution
- Step 1: Write the proportion equation
58.99 : 81.02 = 49.75 : x - Step 2: Convert to fraction form
58.99/81.02 = 49.75/x - Step 3: Cross multiply
58.99x = 81.02 × 49.75 - Step 4: Simplify right side
58.99x = 4,030.75 - Step 5: Solve for x
x = 4,030.75/58.99 - Step 6: Final answer
x = 68.33
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.