Finding the Fourth Proportional to 600.90, 896.99 and 528
Calculator
Solution
The fourth proportional to 600.90, 896.99 and 528 is: 788.16
Step by Step Solution
- Step 1: Write the proportion equation
600.90 : 896.99 = 528 : x - Step 2: Convert to fraction form
600.90/896.99 = 528/x - Step 3: Cross multiply
600.90x = 896.99 × 528 - Step 4: Simplify right side
600.90x = 473,608.08 - Step 5: Solve for x
x = 473,608.08/600.90 - Step 6: Final answer
x = 788.16
Related Problems
Find fourth proportional to 300.45, 448.49 and 264
Half scale
Find fourth proportional to 1,201.80, 1,793.97 and 1,056
Double scale
Find fourth proportional to 601.90, 898.48 and 529
Similar ratio
Find fourth proportional to 901.35, 1,345.48 and 792
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.