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Finding the Fourth Proportional to 605.31, 907.84 and 503.25

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Solution

The fourth proportional to 605.31, 907.84 and 503.25 is: 754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.31 : 907.84 = 503.25 : x
  2. Step 2: Convert to fraction form
    605.31/907.84 = 503.25/x
  3. Step 3: Cross multiply
    605.31x = 907.84 × 503.25
  4. Step 4: Simplify right side
    605.31x = 456,867.70
  5. Step 5: Solve for x
    x = 456,867.70/605.31
  6. Step 6: Final answer
    x = 754.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.