Home / 204.36-282-117

Finding the Fourth Proportional to 204.36, 282 and 117

Calculator

Solution

The fourth proportional to 204.36, 282 and 117 is: 161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.36 : 282 = 117 : x
  2. Step 2: Convert to fraction form
    204.36/282 = 117/x
  3. Step 3: Cross multiply
    204.36x = 282 × 117
  4. Step 4: Simplify right side
    204.36x = 32,994
  5. Step 5: Solve for x
    x = 32,994/204.36
  6. Step 6: Final answer
    x = 161.45

Related Problems

Find fourth proportional to 102.18, 141 and 58.50
Half scale
Find fourth proportional to 408.72, 564 and 234
Double scale
Find fourth proportional to 205.36, 283.38 and 118
Similar ratio
Find fourth proportional to 306.54, 423 and 175.50
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.