Home / 558.79-837.64-285.01

Finding the Fourth Proportional to 558.79, 837.64 and 285.01

Calculator

Solution

The fourth proportional to 558.79, 837.64 and 285.01 is: 427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.79 : 837.64 = 285.01 : x
  2. Step 2: Convert to fraction form
    558.79/837.64 = 285.01/x
  3. Step 3: Cross multiply
    558.79x = 837.64 × 285.01
  4. Step 4: Simplify right side
    558.79x = 238,735.78
  5. Step 5: Solve for x
    x = 238,735.78/558.79
  6. Step 6: Final answer
    x = 427.24

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.