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Finding the Fourth Proportional to 606.53, 909.69 and 236.51

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Solution

The fourth proportional to 606.53, 909.69 and 236.51 is: 354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.53 : 909.69 = 236.51 : x
  2. Step 2: Convert to fraction form
    606.53/909.69 = 236.51/x
  3. Step 3: Cross multiply
    606.53x = 909.69 × 236.51
  4. Step 4: Simplify right side
    606.53x = 215,149.14
  5. Step 5: Solve for x
    x = 215,149.14/606.53
  6. Step 6: Final answer
    x = 354.72

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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.