Home / 637.58-956-364.20

Finding the Fourth Proportional to 637.58, 956 and 364.20

Calculator

Solution

The fourth proportional to 637.58, 956 and 364.20 is: 546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.58 : 956 = 364.20 : x
  2. Step 2: Convert to fraction form
    637.58/956 = 364.20/x
  3. Step 3: Cross multiply
    637.58x = 956 × 364.20
  4. Step 4: Simplify right side
    637.58x = 348,175.20
  5. Step 5: Solve for x
    x = 348,175.20/637.58
  6. Step 6: Final answer
    x = 546.09

Related Problems

Find fourth proportional to 318.79, 478 and 182.10
Half scale
Find fourth proportional to 1,275.16, 1,912 and 728.40
Double scale
Find fourth proportional to 638.58, 957.50 and 365.20
Similar ratio
Find fourth proportional to 956.37, 1,434 and 546.30
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.