Home / 524.79-786.56-351.45

Finding the Fourth Proportional to 524.79, 786.56 and 351.45

Calculator

Solution

The fourth proportional to 524.79, 786.56 and 351.45 is: 526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.79 : 786.56 = 351.45 : x
  2. Step 2: Convert to fraction form
    524.79/786.56 = 351.45/x
  3. Step 3: Cross multiply
    524.79x = 786.56 × 351.45
  4. Step 4: Simplify right side
    524.79x = 276,434.75
  5. Step 5: Solve for x
    x = 276,434.75/524.79
  6. Step 6: Final answer
    x = 526.75

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.