Finding the Fourth Proportional to 583.24, 874.67 and 212.99
Calculator
Solution
The fourth proportional to 583.24, 874.67 and 212.99 is: 319.42
Step by Step Solution
- Step 1: Write the proportion equation
583.24 : 874.67 = 212.99 : x - Step 2: Convert to fraction form
583.24/874.67 = 212.99/x - Step 3: Cross multiply
583.24x = 874.67 × 212.99 - Step 4: Simplify right side
583.24x = 186,295.96 - Step 5: Solve for x
x = 186,295.96/583.24 - Step 6: Final answer
x = 319.42
Related Problems
Find fourth proportional to 291.62, 437.34 and 106.50
Half scale
Find fourth proportional to 1,166.48, 1,749.34 and 425.98
Double scale
Find fourth proportional to 584.24, 876.17 and 213.99
Similar ratio
Find fourth proportional to 874.86, 1,312.01 and 319.49
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.