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Finding the Fourth Proportional to 605.87, 907.88 and 240.47

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Solution

The fourth proportional to 605.87, 907.88 and 240.47 is: 360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.87 : 907.88 = 240.47 : x
  2. Step 2: Convert to fraction form
    605.87/907.88 = 240.47/x
  3. Step 3: Cross multiply
    605.87x = 907.88 × 240.47
  4. Step 4: Simplify right side
    605.87x = 218,312.16
  5. Step 5: Solve for x
    x = 218,312.16/605.87
  6. Step 6: Final answer
    x = 360.33

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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.