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Finding the Fourth Proportional to 605.42, 907.50 and 240.12

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Solution

The fourth proportional to 605.42, 907.50 and 240.12 is: 359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.42 : 907.50 = 240.12 : x
  2. Step 2: Convert to fraction form
    605.42/907.50 = 240.12/x
  3. Step 3: Cross multiply
    605.42x = 907.50 × 240.12
  4. Step 4: Simplify right side
    605.42x = 217,908.90
  5. Step 5: Solve for x
    x = 217,908.90/605.42
  6. Step 6: Final answer
    x = 359.93

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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.