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Finding the Fourth Proportional to 975.95, 1,463.91 and 662.82

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Solution

The fourth proportional to 975.95, 1,463.91 and 662.82 is: 994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.95 : 1,463.91 = 662.82 : x
  2. Step 2: Convert to fraction form
    975.95/1,463.91 = 662.82/x
  3. Step 3: Cross multiply
    975.95x = 1,463.91 × 662.82
  4. Step 4: Simplify right side
    975.95x = 970,308.83
  5. Step 5: Solve for x
    x = 970,308.83/975.95
  6. Step 6: Final answer
    x = 994.22

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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.