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Finding the Fourth Proportional to 504.48, 752.58 and 449.82

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Solution

The fourth proportional to 504.48, 752.58 and 449.82 is: 671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.48 : 752.58 = 449.82 : x
  2. Step 2: Convert to fraction form
    504.48/752.58 = 449.82/x
  3. Step 3: Cross multiply
    504.48x = 752.58 × 449.82
  4. Step 4: Simplify right side
    504.48x = 338,525.54
  5. Step 5: Solve for x
    x = 338,525.54/504.48
  6. Step 6: Final answer
    x = 671.04

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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.