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Finding the Fourth Proportional to 606.45, 835.97 and 373.17

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Solution

The fourth proportional to 606.45, 835.97 and 373.17 is: 514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.45 : 835.97 = 373.17 : x
  2. Step 2: Convert to fraction form
    606.45/835.97 = 373.17/x
  3. Step 3: Cross multiply
    606.45x = 835.97 × 373.17
  4. Step 4: Simplify right side
    606.45x = 311,957.06
  5. Step 5: Solve for x
    x = 311,957.06/606.45
  6. Step 6: Final answer
    x = 514.40

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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.