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Finding the Fourth Proportional to 350.60, 484.39 and 240.40

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Solution

The fourth proportional to 350.60, 484.39 and 240.40 is: 332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.60 : 484.39 = 240.40 : x
  2. Step 2: Convert to fraction form
    350.60/484.39 = 240.40/x
  3. Step 3: Cross multiply
    350.60x = 484.39 × 240.40
  4. Step 4: Simplify right side
    350.60x = 116,446.06
  5. Step 5: Solve for x
    x = 116,446.06/350.60
  6. Step 6: Final answer
    x = 332.13

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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.