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Finding the Fourth Proportional to 882.95, 1,324.88 and 363.35

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Solution

The fourth proportional to 882.95, 1,324.88 and 363.35 is: 545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.95 : 1,324.88 = 363.35 : x
  2. Step 2: Convert to fraction form
    882.95/1,324.88 = 363.35/x
  3. Step 3: Cross multiply
    882.95x = 1,324.88 × 363.35
  4. Step 4: Simplify right side
    882.95x = 481,393.33
  5. Step 5: Solve for x
    x = 481,393.33/882.95
  6. Step 6: Final answer
    x = 545.21

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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.