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Finding the Fourth Proportional to 963.30, 1,444.92 and 314.01

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Solution

The fourth proportional to 963.30, 1,444.92 and 314.01 is: 471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.30 : 1,444.92 = 314.01 : x
  2. Step 2: Convert to fraction form
    963.30/1,444.92 = 314.01/x
  3. Step 3: Cross multiply
    963.30x = 1,444.92 × 314.01
  4. Step 4: Simplify right side
    963.30x = 453,719.33
  5. Step 5: Solve for x
    x = 453,719.33/963.30
  6. Step 6: Final answer
    x = 471.01

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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.