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Finding the Fourth Proportional to 963.52, 1,444.12 and 552.94

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Solution

The fourth proportional to 963.52, 1,444.12 and 552.94 is: 828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.52 : 1,444.12 = 552.94 : x
  2. Step 2: Convert to fraction form
    963.52/1,444.12 = 552.94/x
  3. Step 3: Cross multiply
    963.52x = 1,444.12 × 552.94
  4. Step 4: Simplify right side
    963.52x = 798,501.73
  5. Step 5: Solve for x
    x = 798,501.73/963.52
  6. Step 6: Final answer
    x = 828.74

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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.