Home / 295-442.50-124

Finding the Fourth Proportional to 295, 442.50 and 124

Calculator

Solution

The fourth proportional to 295, 442.50 and 124 is: 186

Step by Step Solution

  1. Step 1: Write the proportion equation
    295 : 442.50 = 124 : x
  2. Step 2: Convert to fraction form
    295/442.50 = 124/x
  3. Step 3: Cross multiply
    295x = 442.50 × 124
  4. Step 4: Simplify right side
    295x = 54,870
  5. Step 5: Solve for x
    x = 54,870/295
  6. Step 6: Final answer
    x = 186

Related Problems

Find fourth proportional to 147.50, 221.25 and 62
Half scale
Find fourth proportional to 590, 885 and 248
Double scale
Find fourth proportional to 296, 444 and 125
Similar ratio
Find fourth proportional to 442.50, 663.75 and 186
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.