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Finding the Fourth Proportional to 606.22, 907.47 and 560.65

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Solution

The fourth proportional to 606.22, 907.47 and 560.65 is: 839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.22 : 907.47 = 560.65 : x
  2. Step 2: Convert to fraction form
    606.22/907.47 = 560.65/x
  3. Step 3: Cross multiply
    606.22x = 907.47 × 560.65
  4. Step 4: Simplify right side
    606.22x = 508,773.06
  5. Step 5: Solve for x
    x = 508,773.06/606.22
  6. Step 6: Final answer
    x = 839.25

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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.