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Finding the Fourth Proportional to 247.14, 368.46 and 240.48

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Solution

The fourth proportional to 247.14, 368.46 and 240.48 is: 358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.14 : 368.46 = 240.48 : x
  2. Step 2: Convert to fraction form
    247.14/368.46 = 240.48/x
  3. Step 3: Cross multiply
    247.14x = 368.46 × 240.48
  4. Step 4: Simplify right side
    247.14x = 88,607.26
  5. Step 5: Solve for x
    x = 88,607.26/247.14
  6. Step 6: Final answer
    x = 358.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.