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Finding the Fourth Proportional to 606.59, 909.43 and 375.64

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Solution

The fourth proportional to 606.59, 909.43 and 375.64 is: 563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.59 : 909.43 = 375.64 : x
  2. Step 2: Convert to fraction form
    606.59/909.43 = 375.64/x
  3. Step 3: Cross multiply
    606.59x = 909.43 × 375.64
  4. Step 4: Simplify right side
    606.59x = 341,615.07
  5. Step 5: Solve for x
    x = 341,615.07/606.59
  6. Step 6: Final answer
    x = 563.17

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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.