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Finding the Fourth Proportional to 881.03, 1,318.96 and 463.58

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Solution

The fourth proportional to 881.03, 1,318.96 and 463.58 is: 694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.03 : 1,318.96 = 463.58 : x
  2. Step 2: Convert to fraction form
    881.03/1,318.96 = 463.58/x
  3. Step 3: Cross multiply
    881.03x = 1,318.96 × 463.58
  4. Step 4: Simplify right side
    881.03x = 611,441.20
  5. Step 5: Solve for x
    x = 611,441.20/881.03
  6. Step 6: Final answer
    x = 694.01

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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.