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Finding the Fourth Proportional to 508.26, 757.37 and 479.46

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Solution

The fourth proportional to 508.26, 757.37 and 479.46 is: 714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.26 : 757.37 = 479.46 : x
  2. Step 2: Convert to fraction form
    508.26/757.37 = 479.46/x
  3. Step 3: Cross multiply
    508.26x = 757.37 × 479.46
  4. Step 4: Simplify right side
    508.26x = 363,126.22
  5. Step 5: Solve for x
    x = 363,126.22/508.26
  6. Step 6: Final answer
    x = 714.45

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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.