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Finding the Fourth Proportional to 467.16, 700.73 and 210.66

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Solution

The fourth proportional to 467.16, 700.73 and 210.66 is: 315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.16 : 700.73 = 210.66 : x
  2. Step 2: Convert to fraction form
    467.16/700.73 = 210.66/x
  3. Step 3: Cross multiply
    467.16x = 700.73 × 210.66
  4. Step 4: Simplify right side
    467.16x = 147,615.78
  5. Step 5: Solve for x
    x = 147,615.78/467.16
  6. Step 6: Final answer
    x = 315.99

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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.