Finding the Fourth Proportional to 313.36, 432 and 264.04
Calculator
Solution
The fourth proportional to 313.36, 432 and 264.04 is: 364.01
Step by Step Solution
- Step 1: Write the proportion equation
313.36 : 432 = 264.04 : x - Step 2: Convert to fraction form
313.36/432 = 264.04/x - Step 3: Cross multiply
313.36x = 432 × 264.04 - Step 4: Simplify right side
313.36x = 114,065.28 - Step 5: Solve for x
x = 114,065.28/313.36 - Step 6: Final answer
x = 364.01
Related Problems
Find fourth proportional to 156.68, 216 and 132.02
Half scale
Find fourth proportional to 626.72, 864 and 528.08
Double scale
Find fourth proportional to 314.36, 433.38 and 265.04
Similar ratio
Find fourth proportional to 470.04, 648 and 396.06
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.