Home / 702.94-1,054.08-215.86

Finding the Fourth Proportional to 702.94, 1,054.08 and 215.86

Calculator

Solution

The fourth proportional to 702.94, 1,054.08 and 215.86 is: 323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.94 : 1,054.08 = 215.86 : x
  2. Step 2: Convert to fraction form
    702.94/1,054.08 = 215.86/x
  3. Step 3: Cross multiply
    702.94x = 1,054.08 × 215.86
  4. Step 4: Simplify right side
    702.94x = 227,533.71
  5. Step 5: Solve for x
    x = 227,533.71/702.94
  6. Step 6: Final answer
    x = 323.69

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.