Home / 282-423-248.19

Finding the Fourth Proportional to 282, 423 and 248.19

Calculator

Solution

The fourth proportional to 282, 423 and 248.19 is: 372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282 : 423 = 248.19 : x
  2. Step 2: Convert to fraction form
    282/423 = 248.19/x
  3. Step 3: Cross multiply
    282x = 423 × 248.19
  4. Step 4: Simplify right side
    282x = 104,984.37
  5. Step 5: Solve for x
    x = 104,984.37/282
  6. Step 6: Final answer
    x = 372.29

Related Problems

Find fourth proportional to 141, 211.50 and 124.10
Half scale
Find fourth proportional to 564, 846 and 496.38
Double scale
Find fourth proportional to 283, 424.50 and 249.19
Similar ratio
Find fourth proportional to 423, 634.50 and 372.29
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.