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Finding the Fourth Proportional to 581.30, 871.67 and 337.89

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Solution

The fourth proportional to 581.30, 871.67 and 337.89 is: 506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.30 : 871.67 = 337.89 : x
  2. Step 2: Convert to fraction form
    581.30/871.67 = 337.89/x
  3. Step 3: Cross multiply
    581.30x = 871.67 × 337.89
  4. Step 4: Simplify right side
    581.30x = 294,528.58
  5. Step 5: Solve for x
    x = 294,528.58/581.30
  6. Step 6: Final answer
    x = 506.67

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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.