Finding the Fourth Proportional to 525.33, 787.99 and 396.99
Calculator
Solution
The fourth proportional to 525.33, 787.99 and 396.99 is: 595.48
Step by Step Solution
- Step 1: Write the proportion equation
525.33 : 787.99 = 396.99 : x - Step 2: Convert to fraction form
525.33/787.99 = 396.99/x - Step 3: Cross multiply
525.33x = 787.99 × 396.99 - Step 4: Simplify right side
525.33x = 312,823.16 - Step 5: Solve for x
x = 312,823.16/525.33 - Step 6: Final answer
x = 595.48
Related Problems
Find fourth proportional to 262.67, 393.99 and 198.50
Half scale
Find fourth proportional to 1,050.66, 1,575.98 and 793.98
Double scale
Find fourth proportional to 526.33, 789.49 and 397.99
Similar ratio
Find fourth proportional to 788.00, 1,181.98 and 595.49
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.