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Finding the Fourth Proportional to 602.20, 831.03 and 350.04

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Solution

The fourth proportional to 602.20, 831.03 and 350.04 is: 483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.20 : 831.03 = 350.04 : x
  2. Step 2: Convert to fraction form
    602.20/831.03 = 350.04/x
  3. Step 3: Cross multiply
    602.20x = 831.03 × 350.04
  4. Step 4: Simplify right side
    602.20x = 290,893.82
  5. Step 5: Solve for x
    x = 290,893.82/602.20
  6. Step 6: Final answer
    x = 483.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.