Home / 610-841.82-348

Finding the Fourth Proportional to 610, 841.82 and 348

Calculator

Solution

The fourth proportional to 610, 841.82 and 348 is: 480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    610 : 841.82 = 348 : x
  2. Step 2: Convert to fraction form
    610/841.82 = 348/x
  3. Step 3: Cross multiply
    610x = 841.82 × 348
  4. Step 4: Simplify right side
    610x = 292,953.36
  5. Step 5: Solve for x
    x = 292,953.36/610
  6. Step 6: Final answer
    x = 480.25

Related Problems

Find fourth proportional to 305, 420.91 and 174
Half scale
Find fourth proportional to 1,220, 1,683.64 and 696
Double scale
Find fourth proportional to 611, 843.20 and 349
Similar ratio
Find fourth proportional to 915, 1,262.73 and 522
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.