Finding the Fourth Proportional to 267.18, 400.74 and 93.93
Calculator
Solution
The fourth proportional to 267.18, 400.74 and 93.93 is: 140.88
Step by Step Solution
- Step 1: Write the proportion equation
267.18 : 400.74 = 93.93 : x - Step 2: Convert to fraction form
267.18/400.74 = 93.93/x - Step 3: Cross multiply
267.18x = 400.74 × 93.93 - Step 4: Simplify right side
267.18x = 37,639.03 - Step 5: Solve for x
x = 37,639.03/267.18 - Step 6: Final answer
x = 140.88
Related Problems
Find fourth proportional to 133.59, 200.37 and 46.96
Half scale
Find fourth proportional to 534.35, 801.47 and 187.85
Double scale
Find fourth proportional to 268.18, 402.23 and 94.93
Similar ratio
Find fourth proportional to 400.76, 601.10 and 140.89
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.