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Finding the Fourth Proportional to 966.71, 1,450.54 and 533.36

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Solution

The fourth proportional to 966.71, 1,450.54 and 533.36 is: 800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.71 : 1,450.54 = 533.36 : x
  2. Step 2: Convert to fraction form
    966.71/1,450.54 = 533.36/x
  3. Step 3: Cross multiply
    966.71x = 1,450.54 × 533.36
  4. Step 4: Simplify right side
    966.71x = 773,660.01
  5. Step 5: Solve for x
    x = 773,660.01/966.71
  6. Step 6: Final answer
    x = 800.30

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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.