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Finding the Fourth Proportional to 462.17, 693.39 and 173.63

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Solution

The fourth proportional to 462.17, 693.39 and 173.63 is: 260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.17 : 693.39 = 173.63 : x
  2. Step 2: Convert to fraction form
    462.17/693.39 = 173.63/x
  3. Step 3: Cross multiply
    462.17x = 693.39 × 173.63
  4. Step 4: Simplify right side
    462.17x = 120,389.84
  5. Step 5: Solve for x
    x = 120,389.84/462.17
  6. Step 6: Final answer
    x = 260.49

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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.