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Finding the Fourth Proportional to 335.32, 503.10 and 152.72

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Solution

The fourth proportional to 335.32, 503.10 and 152.72 is: 229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.32 : 503.10 = 152.72 : x
  2. Step 2: Convert to fraction form
    335.32/503.10 = 152.72/x
  3. Step 3: Cross multiply
    335.32x = 503.10 × 152.72
  4. Step 4: Simplify right side
    335.32x = 76,833.43
  5. Step 5: Solve for x
    x = 76,833.43/335.32
  6. Step 6: Final answer
    x = 229.13

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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.