Home / 608.53-839.65-346.54

Finding the Fourth Proportional to 608.53, 839.65 and 346.54

Calculator

Solution

The fourth proportional to 608.53, 839.65 and 346.54 is: 478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.53 : 839.65 = 346.54 : x
  2. Step 2: Convert to fraction form
    608.53/839.65 = 346.54/x
  3. Step 3: Cross multiply
    608.53x = 839.65 × 346.54
  4. Step 4: Simplify right side
    608.53x = 290,972.31
  5. Step 5: Solve for x
    x = 290,972.31/608.53
  6. Step 6: Final answer
    x = 478.16

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.