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Finding the Fourth Proportional to 882.05, 1,323.62 and 362.30

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Solution

The fourth proportional to 882.05, 1,323.62 and 362.30 is: 543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.05 : 1,323.62 = 362.30 : x
  2. Step 2: Convert to fraction form
    882.05/1,323.62 = 362.30/x
  3. Step 3: Cross multiply
    882.05x = 1,323.62 × 362.30
  4. Step 4: Simplify right side
    882.05x = 479,545.71
  5. Step 5: Solve for x
    x = 479,545.71/882.05
  6. Step 6: Final answer
    x = 543.67

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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.