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Finding the Fourth Proportional to 467.65, 700.81 and 193.57

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Solution

The fourth proportional to 467.65, 700.81 and 193.57 is: 290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.65 : 700.81 = 193.57 : x
  2. Step 2: Convert to fraction form
    467.65/700.81 = 193.57/x
  3. Step 3: Cross multiply
    467.65x = 700.81 × 193.57
  4. Step 4: Simplify right side
    467.65x = 135,655.79
  5. Step 5: Solve for x
    x = 135,655.79/467.65
  6. Step 6: Final answer
    x = 290.08

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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.