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Finding the Fourth Proportional to 495.87, 744.14 and 171.24

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Solution

The fourth proportional to 495.87, 744.14 and 171.24 is: 256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.87 : 744.14 = 171.24 : x
  2. Step 2: Convert to fraction form
    495.87/744.14 = 171.24/x
  3. Step 3: Cross multiply
    495.87x = 744.14 × 171.24
  4. Step 4: Simplify right side
    495.87x = 127,424.17
  5. Step 5: Solve for x
    x = 127,424.17/495.87
  6. Step 6: Final answer
    x = 256.97

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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.