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Finding the Fourth Proportional to 335.70, 500.88 and 295.20

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Solution

The fourth proportional to 335.70, 500.88 and 295.20 is: 440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.70 : 500.88 = 295.20 : x
  2. Step 2: Convert to fraction form
    335.70/500.88 = 295.20/x
  3. Step 3: Cross multiply
    335.70x = 500.88 × 295.20
  4. Step 4: Simplify right side
    335.70x = 147,859.78
  5. Step 5: Solve for x
    x = 147,859.78/335.70
  6. Step 6: Final answer
    x = 440.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.