Home / 1,184.20-1,776.33-362.45

Finding the Fourth Proportional to 1,184.20, 1,776.33 and 362.45

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Solution

The fourth proportional to 1,184.20, 1,776.33 and 362.45 is: 543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.20 : 1,776.33 = 362.45 : x
  2. Step 2: Convert to fraction form
    1,184.20/1,776.33 = 362.45/x
  3. Step 3: Cross multiply
    1,184.20x = 1,776.33 × 362.45
  4. Step 4: Simplify right side
    1,184.20x = 643,829.45
  5. Step 5: Solve for x
    x = 643,829.45/1,184.20
  6. Step 6: Final answer
    x = 543.69

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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.