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Finding the Fourth Proportional to 248.46, 342.87 and 150.24

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Solution

The fourth proportional to 248.46, 342.87 and 150.24 is: 207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.46 : 342.87 = 150.24 : x
  2. Step 2: Convert to fraction form
    248.46/342.87 = 150.24/x
  3. Step 3: Cross multiply
    248.46x = 342.87 × 150.24
  4. Step 4: Simplify right side
    248.46x = 51,512.79
  5. Step 5: Solve for x
    x = 51,512.79/248.46
  6. Step 6: Final answer
    x = 207.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.