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Finding the Fourth Proportional to 497.25, 685.98 and 350.10

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Solution

The fourth proportional to 497.25, 685.98 and 350.10 is: 482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.25 : 685.98 = 350.10 : x
  2. Step 2: Convert to fraction form
    497.25/685.98 = 350.10/x
  3. Step 3: Cross multiply
    497.25x = 685.98 × 350.10
  4. Step 4: Simplify right side
    497.25x = 240,161.60
  5. Step 5: Solve for x
    x = 240,161.60/497.25
  6. Step 6: Final answer
    x = 482.98

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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.