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Finding the Fourth Proportional to 246.54, 340.27 and 148.32

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Solution

The fourth proportional to 246.54, 340.27 and 148.32 is: 204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.54 : 340.27 = 148.32 : x
  2. Step 2: Convert to fraction form
    246.54/340.27 = 148.32/x
  3. Step 3: Cross multiply
    246.54x = 340.27 × 148.32
  4. Step 4: Simplify right side
    246.54x = 50,468.48
  5. Step 5: Solve for x
    x = 50,468.48/246.54
  6. Step 6: Final answer
    x = 204.70

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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.