Home / 651.32-977.32-286.36

Finding the Fourth Proportional to 651.32, 977.32 and 286.36

Calculator

Solution

The fourth proportional to 651.32, 977.32 and 286.36 is: 429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.32 : 977.32 = 286.36 : x
  2. Step 2: Convert to fraction form
    651.32/977.32 = 286.36/x
  3. Step 3: Cross multiply
    651.32x = 977.32 × 286.36
  4. Step 4: Simplify right side
    651.32x = 279,864.41
  5. Step 5: Solve for x
    x = 279,864.41/651.32
  6. Step 6: Final answer
    x = 429.69

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.