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Finding the Fourth Proportional to 1,348.62, 2,023.14 and 483.14

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Solution

The fourth proportional to 1,348.62, 2,023.14 and 483.14 is: 724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.62 : 2,023.14 = 483.14 : x
  2. Step 2: Convert to fraction form
    1,348.62/2,023.14 = 483.14/x
  3. Step 3: Cross multiply
    1,348.62x = 2,023.14 × 483.14
  4. Step 4: Simplify right side
    1,348.62x = 977,459.86
  5. Step 5: Solve for x
    x = 977,459.86/1,348.62
  6. Step 6: Final answer
    x = 724.79

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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.