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Finding the Fourth Proportional to 502.69, 754.06 and 173.63

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Solution

The fourth proportional to 502.69, 754.06 and 173.63 is: 260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.69 : 754.06 = 173.63 : x
  2. Step 2: Convert to fraction form
    502.69/754.06 = 173.63/x
  3. Step 3: Cross multiply
    502.69x = 754.06 × 173.63
  4. Step 4: Simplify right side
    502.69x = 130,927.44
  5. Step 5: Solve for x
    x = 130,927.44/502.69
  6. Step 6: Final answer
    x = 260.45

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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.