Home / 460.38-690.58-135.76

Finding the Fourth Proportional to 460.38, 690.58 and 135.76

Calculator

Solution

The fourth proportional to 460.38, 690.58 and 135.76 is: 203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.38 : 690.58 = 135.76 : x
  2. Step 2: Convert to fraction form
    460.38/690.58 = 135.76/x
  3. Step 3: Cross multiply
    460.38x = 690.58 × 135.76
  4. Step 4: Simplify right side
    460.38x = 93,752.12
  5. Step 5: Solve for x
    x = 93,752.12/460.38
  6. Step 6: Final answer
    x = 203.64

Related Problems

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.