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Finding the Fourth Proportional to 605.16, 907.10 and 344.60

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Solution

The fourth proportional to 605.16, 907.10 and 344.60 is: 516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.16 : 907.10 = 344.60 : x
  2. Step 2: Convert to fraction form
    605.16/907.10 = 344.60/x
  3. Step 3: Cross multiply
    605.16x = 907.10 × 344.60
  4. Step 4: Simplify right side
    605.16x = 312,582.12
  5. Step 5: Solve for x
    x = 312,582.12/605.16
  6. Step 6: Final answer
    x = 516.53

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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.