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Finding the Fourth Proportional to 335.39, 500.48 and 304.71

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Solution

The fourth proportional to 335.39, 500.48 and 304.71 is: 454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.39 : 500.48 = 304.71 : x
  2. Step 2: Convert to fraction form
    335.39/500.48 = 304.71/x
  3. Step 3: Cross multiply
    335.39x = 500.48 × 304.71
  4. Step 4: Simplify right side
    335.39x = 152,501.82
  5. Step 5: Solve for x
    x = 152,501.82/335.39
  6. Step 6: Final answer
    x = 454.70

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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.