Finding the Fourth Proportional to 866.68, 1,195.26 and 534.76
Calculator
Solution
The fourth proportional to 866.68, 1,195.26 and 534.76 is: 737.50
Step by Step Solution
- Step 1: Write the proportion equation
866.68 : 1,195.26 = 534.76 : x - Step 2: Convert to fraction form
866.68/1,195.26 = 534.76/x - Step 3: Cross multiply
866.68x = 1,195.26 × 534.76 - Step 4: Simplify right side
866.68x = 639,177.24 - Step 5: Solve for x
x = 639,177.24/866.68 - Step 6: Final answer
x = 737.50
Related Problems
Find fourth proportional to 433.34, 597.63 and 267.38
Half scale
Find fourth proportional to 1,733.36, 2,390.52 and 1,069.52
Double scale
Find fourth proportional to 867.68, 1,196.64 and 535.76
Similar ratio
Find fourth proportional to 1,300.02, 1,792.89 and 802.14
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.