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Finding the Fourth Proportional to 963.34, 1,446.25 and 501.44

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Solution

The fourth proportional to 963.34, 1,446.25 and 501.44 is: 752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.34 : 1,446.25 = 501.44 : x
  2. Step 2: Convert to fraction form
    963.34/1,446.25 = 501.44/x
  3. Step 3: Cross multiply
    963.34x = 1,446.25 × 501.44
  4. Step 4: Simplify right side
    963.34x = 725,199.12
  5. Step 5: Solve for x
    x = 725,199.12/963.34
  6. Step 6: Final answer
    x = 752.80

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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.