Home / 384.23-530-335.23

Finding the Fourth Proportional to 384.23, 530 and 335.23

Calculator

Solution

The fourth proportional to 384.23, 530 and 335.23 is: 462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.23 : 530 = 335.23 : x
  2. Step 2: Convert to fraction form
    384.23/530 = 335.23/x
  3. Step 3: Cross multiply
    384.23x = 530 × 335.23
  4. Step 4: Simplify right side
    384.23x = 177,671.90
  5. Step 5: Solve for x
    x = 177,671.90/384.23
  6. Step 6: Final answer
    x = 462.41

Related Problems

Find fourth proportional to 192.12, 265 and 167.62
Half scale
Find fourth proportional to 768.46, 1,060 and 670.46
Double scale
Find fourth proportional to 385.23, 531.38 and 336.23
Similar ratio
Find fourth proportional to 576.35, 795 and 502.85
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.