Finding the Fourth Proportional to 62.72, 93.84 and 58.88
Calculator
Solution
The fourth proportional to 62.72, 93.84 and 58.88 is: 88.09
Step by Step Solution
- Step 1: Write the proportion equation
62.72 : 93.84 = 58.88 : x - Step 2: Convert to fraction form
62.72/93.84 = 58.88/x - Step 3: Cross multiply
62.72x = 93.84 × 58.88 - Step 4: Simplify right side
62.72x = 5,525.30 - Step 5: Solve for x
x = 5,525.30/62.72 - Step 6: Final answer
x = 88.09
Related Problems
Find fourth proportional to 31.36, 46.92 and 29.44
Half scale
Find fourth proportional to 125.44, 187.68 and 117.76
Double scale
Find fourth proportional to 63.72, 95.34 and 59.88
Similar ratio
Find fourth proportional to 94.08, 140.76 and 88.32
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.