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Finding the Fourth Proportional to 467.07, 700.80 and 178.71

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Solution

The fourth proportional to 467.07, 700.80 and 178.71 is: 268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.07 : 700.80 = 178.71 : x
  2. Step 2: Convert to fraction form
    467.07/700.80 = 178.71/x
  3. Step 3: Cross multiply
    467.07x = 700.80 × 178.71
  4. Step 4: Simplify right side
    467.07x = 125,239.97
  5. Step 5: Solve for x
    x = 125,239.97/467.07
  6. Step 6: Final answer
    x = 268.14

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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.