Home / 1,184.04-1,776.20-318.36

Finding the Fourth Proportional to 1,184.04, 1,776.20 and 318.36

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Solution

The fourth proportional to 1,184.04, 1,776.20 and 318.36 is: 477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.04 : 1,776.20 = 318.36 : x
  2. Step 2: Convert to fraction form
    1,184.04/1,776.20 = 318.36/x
  3. Step 3: Cross multiply
    1,184.04x = 1,776.20 × 318.36
  4. Step 4: Simplify right side
    1,184.04x = 565,471.03
  5. Step 5: Solve for x
    x = 565,471.03/1,184.04
  6. Step 6: Final answer
    x = 477.58

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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.