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Finding the Fourth Proportional to 581.75, 873.19 and 362.80

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Solution

The fourth proportional to 581.75, 873.19 and 362.80 is: 544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.75 : 873.19 = 362.80 : x
  2. Step 2: Convert to fraction form
    581.75/873.19 = 362.80/x
  3. Step 3: Cross multiply
    581.75x = 873.19 × 362.80
  4. Step 4: Simplify right side
    581.75x = 316,790.24
  5. Step 5: Solve for x
    x = 316,790.24/581.75
  6. Step 6: Final answer
    x = 544.54

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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.