Home / 570.24-855.36-552

Finding the Fourth Proportional to 570.24, 855.36 and 552

Calculator

Solution

The fourth proportional to 570.24, 855.36 and 552 is: 828

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.24 : 855.36 = 552 : x
  2. Step 2: Convert to fraction form
    570.24/855.36 = 552/x
  3. Step 3: Cross multiply
    570.24x = 855.36 × 552
  4. Step 4: Simplify right side
    570.24x = 472,158.72
  5. Step 5: Solve for x
    x = 472,158.72/570.24
  6. Step 6: Final answer
    x = 828

Related Problems

Find fourth proportional to 285.12, 427.68 and 276
Half scale
Find fourth proportional to 1,140.48, 1,710.72 and 1,104
Double scale
Find fourth proportional to 571.24, 856.86 and 553
Similar ratio
Find fourth proportional to 855.36, 1,283.04 and 828
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.