Home / 560.16-840.48-218.40

Finding the Fourth Proportional to 560.16, 840.48 and 218.40

Calculator

Solution

The fourth proportional to 560.16, 840.48 and 218.40 is: 327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.16 : 840.48 = 218.40 : x
  2. Step 2: Convert to fraction form
    560.16/840.48 = 218.40/x
  3. Step 3: Cross multiply
    560.16x = 840.48 × 218.40
  4. Step 4: Simplify right side
    560.16x = 183,560.83
  5. Step 5: Solve for x
    x = 183,560.83/560.16
  6. Step 6: Final answer
    x = 327.69

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.