Home / 466-643.10-259

Finding the Fourth Proportional to 466, 643.10 and 259

Calculator

Solution

The fourth proportional to 466, 643.10 and 259 is: 357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    466 : 643.10 = 259 : x
  2. Step 2: Convert to fraction form
    466/643.10 = 259/x
  3. Step 3: Cross multiply
    466x = 643.10 × 259
  4. Step 4: Simplify right side
    466x = 166,562.90
  5. Step 5: Solve for x
    x = 166,562.90/466
  6. Step 6: Final answer
    x = 357.43

Related Problems

Find fourth proportional to 233, 321.55 and 129.50
Half scale
Find fourth proportional to 932, 1,286.20 and 518
Double scale
Find fourth proportional to 467, 644.48 and 260
Similar ratio
Find fourth proportional to 699, 964.65 and 388.50
1.5x scale

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.