Finding the Fourth Proportional to 452.99, 625.12 and 245.99
Calculator
Solution
The fourth proportional to 452.99, 625.12 and 245.99 is: 339.46
Step by Step Solution
- Step 1: Write the proportion equation
452.99 : 625.12 = 245.99 : x - Step 2: Convert to fraction form
452.99/625.12 = 245.99/x - Step 3: Cross multiply
452.99x = 625.12 × 245.99 - Step 4: Simplify right side
452.99x = 153,770.14 - Step 5: Solve for x
x = 153,770.14/452.99 - Step 6: Final answer
x = 339.46
Related Problems
Find fourth proportional to 226.49, 312.56 and 122.99
Half scale
Find fourth proportional to 905.97, 1,250.24 and 491.97
Double scale
Find fourth proportional to 453.99, 626.50 and 246.99
Similar ratio
Find fourth proportional to 679.48, 937.68 and 368.98
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.