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Finding the Fourth Proportional to 529.07, 792.13 and 480.37

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Solution

The fourth proportional to 529.07, 792.13 and 480.37 is: 719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.07 : 792.13 = 480.37 : x
  2. Step 2: Convert to fraction form
    529.07/792.13 = 480.37/x
  3. Step 3: Cross multiply
    529.07x = 792.13 × 480.37
  4. Step 4: Simplify right side
    529.07x = 380,515.49
  5. Step 5: Solve for x
    x = 380,515.49/529.07
  6. Step 6: Final answer
    x = 719.22

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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.