Home / 429-592.02-319

Finding the Fourth Proportional to 429, 592.02 and 319

Calculator

Solution

The fourth proportional to 429, 592.02 and 319 is: 440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429 : 592.02 = 319 : x
  2. Step 2: Convert to fraction form
    429/592.02 = 319/x
  3. Step 3: Cross multiply
    429x = 592.02 × 319
  4. Step 4: Simplify right side
    429x = 188,854.38
  5. Step 5: Solve for x
    x = 188,854.38/429
  6. Step 6: Final answer
    x = 440.22

Related Problems

Find fourth proportional to 214.50, 296.01 and 159.50
Half scale
Find fourth proportional to 858, 1,184.04 and 638
Double scale
Find fourth proportional to 430, 593.40 and 320
Similar ratio
Find fourth proportional to 643.50, 888.03 and 478.50
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.