Home / 907.44-1,360.98-258.18

Finding the Fourth Proportional to 907.44, 1,360.98 and 258.18

Calculator

Solution

The fourth proportional to 907.44, 1,360.98 and 258.18 is: 387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.44 : 1,360.98 = 258.18 : x
  2. Step 2: Convert to fraction form
    907.44/1,360.98 = 258.18/x
  3. Step 3: Cross multiply
    907.44x = 1,360.98 × 258.18
  4. Step 4: Simplify right side
    907.44x = 351,377.82
  5. Step 5: Solve for x
    x = 351,377.82/907.44
  6. Step 6: Final answer
    x = 387.22

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.