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Finding the Fourth Proportional to 467.39, 701.36 and 210.89

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Solution

The fourth proportional to 467.39, 701.36 and 210.89 is: 316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.39 : 701.36 = 210.89 : x
  2. Step 2: Convert to fraction form
    467.39/701.36 = 210.89/x
  3. Step 3: Cross multiply
    467.39x = 701.36 × 210.89
  4. Step 4: Simplify right side
    467.39x = 147,910.51
  5. Step 5: Solve for x
    x = 147,910.51/467.39
  6. Step 6: Final answer
    x = 316.46

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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.