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Finding the Fourth Proportional to 488.03, 730.22 and 372.30

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Solution

The fourth proportional to 488.03, 730.22 and 372.30 is: 557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.03 : 730.22 = 372.30 : x
  2. Step 2: Convert to fraction form
    488.03/730.22 = 372.30/x
  3. Step 3: Cross multiply
    488.03x = 730.22 × 372.30
  4. Step 4: Simplify right side
    488.03x = 271,856.31
  5. Step 5: Solve for x
    x = 271,856.31/488.03
  6. Step 6: Final answer
    x = 557.05

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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.