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Finding the Fourth Proportional to 581.75, 803.02 and 348.88

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Solution

The fourth proportional to 581.75, 803.02 and 348.88 is: 481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.75 : 803.02 = 348.88 : x
  2. Step 2: Convert to fraction form
    581.75/803.02 = 348.88/x
  3. Step 3: Cross multiply
    581.75x = 803.02 × 348.88
  4. Step 4: Simplify right side
    581.75x = 280,157.62
  5. Step 5: Solve for x
    x = 280,157.62/581.75
  6. Step 6: Final answer
    x = 481.58

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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.