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Finding the Fourth Proportional to 335.63, 503.55 and 152.88

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Solution

The fourth proportional to 335.63, 503.55 and 152.88 is: 229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.63 : 503.55 = 152.88 : x
  2. Step 2: Convert to fraction form
    335.63/503.55 = 152.88/x
  3. Step 3: Cross multiply
    335.63x = 503.55 × 152.88
  4. Step 4: Simplify right side
    335.63x = 76,982.72
  5. Step 5: Solve for x
    x = 76,982.72/335.63
  6. Step 6: Final answer
    x = 229.37

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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.