Home / 245.61-368.41-63

Finding the Fourth Proportional to 245.61, 368.41 and 63

Calculator

Solution

The fourth proportional to 245.61, 368.41 and 63 is: 94.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.61 : 368.41 = 63 : x
  2. Step 2: Convert to fraction form
    245.61/368.41 = 63/x
  3. Step 3: Cross multiply
    245.61x = 368.41 × 63
  4. Step 4: Simplify right side
    245.61x = 23,209.83
  5. Step 5: Solve for x
    x = 23,209.83/245.61
  6. Step 6: Final answer
    x = 94.50

Related Problems

Find fourth proportional to 122.81, 184.21 and 31.50
Half scale
Find fourth proportional to 491.22, 736.82 and 126
Double scale
Find fourth proportional to 246.61, 369.91 and 64
Similar ratio
Find fourth proportional to 368.42, 552.62 and 94.50
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.