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Finding the Fourth Proportional to 581.65, 803.72 and 441.52

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Solution

The fourth proportional to 581.65, 803.72 and 441.52 is: 610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.65 : 803.72 = 441.52 : x
  2. Step 2: Convert to fraction form
    581.65/803.72 = 441.52/x
  3. Step 3: Cross multiply
    581.65x = 803.72 × 441.52
  4. Step 4: Simplify right side
    581.65x = 354,857.55
  5. Step 5: Solve for x
    x = 354,857.55/581.65
  6. Step 6: Final answer
    x = 610.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.