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Finding the Fourth Proportional to 504.29, 750.45 and 484.85

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Solution

The fourth proportional to 504.29, 750.45 and 484.85 is: 721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.29 : 750.45 = 484.85 : x
  2. Step 2: Convert to fraction form
    504.29/750.45 = 484.85/x
  3. Step 3: Cross multiply
    504.29x = 750.45 × 484.85
  4. Step 4: Simplify right side
    504.29x = 363,855.68
  5. Step 5: Solve for x
    x = 363,855.68/504.29
  6. Step 6: Final answer
    x = 721.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.