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Finding the Fourth Proportional to 497.08, 685.88 and 480.52

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Solution

The fourth proportional to 497.08, 685.88 and 480.52 is: 663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.08 : 685.88 = 480.52 : x
  2. Step 2: Convert to fraction form
    497.08/685.88 = 480.52/x
  3. Step 3: Cross multiply
    497.08x = 685.88 × 480.52
  4. Step 4: Simplify right side
    497.08x = 329,579.06
  5. Step 5: Solve for x
    x = 329,579.06/497.08
  6. Step 6: Final answer
    x = 663.03

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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.