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Finding the Fourth Proportional to 532.53, 734.27 and 493.65

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Solution

The fourth proportional to 532.53, 734.27 and 493.65 is: 680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.53 : 734.27 = 493.65 : x
  2. Step 2: Convert to fraction form
    532.53/734.27 = 493.65/x
  3. Step 3: Cross multiply
    532.53x = 734.27 × 493.65
  4. Step 4: Simplify right side
    532.53x = 362,469.92
  5. Step 5: Solve for x
    x = 362,469.92/532.53
  6. Step 6: Final answer
    x = 680.66

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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.