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Finding the Fourth Proportional to 658.66, 908.35 and 606.32

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Solution

The fourth proportional to 658.66, 908.35 and 606.32 is: 836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.66 : 908.35 = 606.32 : x
  2. Step 2: Convert to fraction form
    658.66/908.35 = 606.32/x
  3. Step 3: Cross multiply
    658.66x = 908.35 × 606.32
  4. Step 4: Simplify right side
    658.66x = 550,743.20
  5. Step 5: Solve for x
    x = 550,743.20/658.66
  6. Step 6: Final answer
    x = 836.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.