Home / 356.61-534.20-185.25

Finding the Fourth Proportional to 356.61, 534.20 and 185.25

Calculator

Solution

The fourth proportional to 356.61, 534.20 and 185.25 is: 277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.61 : 534.20 = 185.25 : x
  2. Step 2: Convert to fraction form
    356.61/534.20 = 185.25/x
  3. Step 3: Cross multiply
    356.61x = 534.20 × 185.25
  4. Step 4: Simplify right side
    356.61x = 98,959.62
  5. Step 5: Solve for x
    x = 98,959.62/356.61
  6. Step 6: Final answer
    x = 277.50

Related Problems

Find fourth proportional to 178.31, 267.10 and 92.63
Half scale
Find fourth proportional to 713.22, 1,068.39 and 370.50
Double scale
Find fourth proportional to 357.61, 535.69 and 186.25
Similar ratio
Find fourth proportional to 534.92, 801.29 and 277.88
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.