Home / 553.57-763.50-357.10

Finding the Fourth Proportional to 553.57, 763.50 and 357.10

Calculator

Solution

The fourth proportional to 553.57, 763.50 and 357.10 is: 492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    553.57 : 763.50 = 357.10 : x
  2. Step 2: Convert to fraction form
    553.57/763.50 = 357.10/x
  3. Step 3: Cross multiply
    553.57x = 763.50 × 357.10
  4. Step 4: Simplify right side
    553.57x = 272,645.85
  5. Step 5: Solve for x
    x = 272,645.85/553.57
  6. Step 6: Final answer
    x = 492.52

Related Problems

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.