Home / 307.79-463.93-281.81

Finding the Fourth Proportional to 307.79, 463.93 and 281.81

Calculator

Solution

The fourth proportional to 307.79, 463.93 and 281.81 is: 424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.79 : 463.93 = 281.81 : x
  2. Step 2: Convert to fraction form
    307.79/463.93 = 281.81/x
  3. Step 3: Cross multiply
    307.79x = 463.93 × 281.81
  4. Step 4: Simplify right side
    307.79x = 130,740.57
  5. Step 5: Solve for x
    x = 130,740.57/307.79
  6. Step 6: Final answer
    x = 424.77

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.