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Finding the Fourth Proportional to 247.67, 341.74 and 148.06

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Solution

The fourth proportional to 247.67, 341.74 and 148.06 is: 204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.67 : 341.74 = 148.06 : x
  2. Step 2: Convert to fraction form
    247.67/341.74 = 148.06/x
  3. Step 3: Cross multiply
    247.67x = 341.74 × 148.06
  4. Step 4: Simplify right side
    247.67x = 50,598.02
  5. Step 5: Solve for x
    x = 50,598.02/247.67
  6. Step 6: Final answer
    x = 204.30

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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.