Finding the Fourth Proportional to 534, 801 and 306
Calculator
Solution
The fourth proportional to 534, 801 and 306 is: 459
Step by Step Solution
- Step 1: Write the proportion equation
534 : 801 = 306 : x - Step 2: Convert to fraction form
534/801 = 306/x - Step 3: Cross multiply
534x = 801 × 306 - Step 4: Simplify right side
534x = 245,106 - Step 5: Solve for x
x = 245,106/534 - Step 6: Final answer
x = 459
Related Problems
Find fourth proportional to 267, 400.50 and 153
Half scale
Find fourth proportional to 1,068, 1,602 and 612
Double scale
Find fourth proportional to 535, 802.50 and 307
Similar ratio
Find fourth proportional to 801, 1,201.50 and 459
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.