Home / 1,216.13-1,824.20-350.45

Finding the Fourth Proportional to 1,216.13, 1,824.20 and 350.45

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Solution

The fourth proportional to 1,216.13, 1,824.20 and 350.45 is: 525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.13 : 1,824.20 = 350.45 : x
  2. Step 2: Convert to fraction form
    1,216.13/1,824.20 = 350.45/x
  3. Step 3: Cross multiply
    1,216.13x = 1,824.20 × 350.45
  4. Step 4: Simplify right side
    1,216.13x = 639,280.02
  5. Step 5: Solve for x
    x = 639,280.02/1,216.13
  6. Step 6: Final answer
    x = 525.67

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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.