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Finding the Fourth Proportional to 620.02, 929.48 and 341.96

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Solution

The fourth proportional to 620.02, 929.48 and 341.96 is: 512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.02 : 929.48 = 341.96 : x
  2. Step 2: Convert to fraction form
    620.02/929.48 = 341.96/x
  3. Step 3: Cross multiply
    620.02x = 929.48 × 341.96
  4. Step 4: Simplify right side
    620.02x = 317,838.62
  5. Step 5: Solve for x
    x = 317,838.62/620.02
  6. Step 6: Final answer
    x = 512.63

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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.