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Finding the Fourth Proportional to 963.01, 1,443.79 and 530.29

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Solution

The fourth proportional to 963.01, 1,443.79 and 530.29 is: 795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.01 : 1,443.79 = 530.29 : x
  2. Step 2: Convert to fraction form
    963.01/1,443.79 = 530.29/x
  3. Step 3: Cross multiply
    963.01x = 1,443.79 × 530.29
  4. Step 4: Simplify right side
    963.01x = 765,627.40
  5. Step 5: Solve for x
    x = 765,627.40/963.01
  6. Step 6: Final answer
    x = 795.04

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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.