Home / 545-817.50-241

Finding the Fourth Proportional to 545, 817.50 and 241

Calculator

Solution

The fourth proportional to 545, 817.50 and 241 is: 361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    545 : 817.50 = 241 : x
  2. Step 2: Convert to fraction form
    545/817.50 = 241/x
  3. Step 3: Cross multiply
    545x = 817.50 × 241
  4. Step 4: Simplify right side
    545x = 197,017.50
  5. Step 5: Solve for x
    x = 197,017.50/545
  6. Step 6: Final answer
    x = 361.50

Related Problems

Find fourth proportional to 272.50, 408.75 and 120.50
Half scale
Find fourth proportional to 1,090, 1,635 and 482
Double scale
Find fourth proportional to 546, 819 and 242
Similar ratio
Find fourth proportional to 817.50, 1,226.25 and 361.50
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.