Home / 432-651.36-347.52

Finding the Fourth Proportional to 432, 651.36 and 347.52

Calculator

Solution

The fourth proportional to 432, 651.36 and 347.52 is: 523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432 : 651.36 = 347.52 : x
  2. Step 2: Convert to fraction form
    432/651.36 = 347.52/x
  3. Step 3: Cross multiply
    432x = 651.36 × 347.52
  4. Step 4: Simplify right side
    432x = 226,360.63
  5. Step 5: Solve for x
    x = 226,360.63/432
  6. Step 6: Final answer
    x = 523.98

Related Problems

Find fourth proportional to 216, 325.68 and 173.76
Half scale
Find fourth proportional to 864, 1,302.72 and 695.04
Double scale
Find fourth proportional to 433, 652.87 and 348.52
Similar ratio
Find fourth proportional to 648, 977.04 and 521.28
1.5x scale

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.