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Finding the Fourth Proportional to 963.04, 1,446.99 and 933.88

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Solution

The fourth proportional to 963.04, 1,446.99 and 933.88 is: 1,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.04 : 1,446.99 = 933.88 : x
  2. Step 2: Convert to fraction form
    963.04/1,446.99 = 933.88/x
  3. Step 3: Cross multiply
    963.04x = 1,446.99 × 933.88
  4. Step 4: Simplify right side
    963.04x = 1,351,315.02
  5. Step 5: Solve for x
    x = 1,351,315.02/963.04
  6. Step 6: Final answer
    x = 1,403.18

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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.