Home / 532.34-798.15-349.40

Finding the Fourth Proportional to 532.34, 798.15 and 349.40

Calculator

Solution

The fourth proportional to 532.34, 798.15 and 349.40 is: 523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.34 : 798.15 = 349.40 : x
  2. Step 2: Convert to fraction form
    532.34/798.15 = 349.40/x
  3. Step 3: Cross multiply
    532.34x = 798.15 × 349.40
  4. Step 4: Simplify right side
    532.34x = 278,869.62
  5. Step 5: Solve for x
    x = 278,869.62/532.34
  6. Step 6: Final answer
    x = 523.86

Related Problems

Find fourth proportional to 266.17, 399.08 and 174.70
Half scale
Find fourth proportional to 1,064.67, 1,596.30 and 698.79
Double scale
Find fourth proportional to 533.34, 799.65 and 350.40
Similar ratio
Find fourth proportional to 798.50, 1,197.23 and 524.09
1.5x scale

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.