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Finding the Fourth Proportional to 508.89, 701.06 and 484.19

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Solution

The fourth proportional to 508.89, 701.06 and 484.19 is: 667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.89 : 701.06 = 484.19 : x
  2. Step 2: Convert to fraction form
    508.89/701.06 = 484.19/x
  3. Step 3: Cross multiply
    508.89x = 701.06 × 484.19
  4. Step 4: Simplify right side
    508.89x = 339,440.32
  5. Step 5: Solve for x
    x = 339,440.32/508.89
  6. Step 6: Final answer
    x = 667.02

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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.