Home / 347.48-479.44-207.57

Finding the Fourth Proportional to 347.48, 479.44 and 207.57

Calculator

Solution

The fourth proportional to 347.48, 479.44 and 207.57 is: 286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.48 : 479.44 = 207.57 : x
  2. Step 2: Convert to fraction form
    347.48/479.44 = 207.57/x
  3. Step 3: Cross multiply
    347.48x = 479.44 × 207.57
  4. Step 4: Simplify right side
    347.48x = 99,518.56
  5. Step 5: Solve for x
    x = 99,518.56/347.48
  6. Step 6: Final answer
    x = 286.40

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.