Finding the Fourth Proportional to 62.28, 93.54 and 35.28
Calculator
Solution
The fourth proportional to 62.28, 93.54 and 35.28 is: 52.99
Step by Step Solution
- Step 1: Write the proportion equation
62.28 : 93.54 = 35.28 : x - Step 2: Convert to fraction form
62.28/93.54 = 35.28/x - Step 3: Cross multiply
62.28x = 93.54 × 35.28 - Step 4: Simplify right side
62.28x = 3,300.09 - Step 5: Solve for x
x = 3,300.09/62.28 - Step 6: Final answer
x = 52.99
Related Problems
Find fourth proportional to 31.14, 46.77 and 17.64
Half scale
Find fourth proportional to 124.56, 187.08 and 70.56
Double scale
Find fourth proportional to 63.28, 95.04 and 36.28
Similar ratio
Find fourth proportional to 93.42, 140.31 and 52.92
1.5x scale
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.