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Finding the Fourth Proportional to 467.51, 701.08 and 138.35

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Solution

The fourth proportional to 467.51, 701.08 and 138.35 is: 207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.51 : 701.08 = 138.35 : x
  2. Step 2: Convert to fraction form
    467.51/701.08 = 138.35/x
  3. Step 3: Cross multiply
    467.51x = 701.08 × 138.35
  4. Step 4: Simplify right side
    467.51x = 96,995.82
  5. Step 5: Solve for x
    x = 96,995.82/467.51
  6. Step 6: Final answer
    x = 207.48

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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.