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Finding the Fourth Proportional to 1,310.00, 1,966.35 and 963.72

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Solution

The fourth proportional to 1,310.00, 1,966.35 and 963.72 is: 1,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.00 : 1,966.35 = 963.72 : x
  2. Step 2: Convert to fraction form
    1,310.00/1,966.35 = 963.72/x
  3. Step 3: Cross multiply
    1,310.00x = 1,966.35 × 963.72
  4. Step 4: Simplify right side
    1,310.00x = 1,895,010.82
  5. Step 5: Solve for x
    x = 1,895,010.82/1,310.00
  6. Step 6: Final answer
    x = 1,446.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.