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Finding the Fourth Proportional to 606.72, 837.28 and 373.92

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Solution

The fourth proportional to 606.72, 837.28 and 373.92 is: 516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.72 : 837.28 = 373.92 : x
  2. Step 2: Convert to fraction form
    606.72/837.28 = 373.92/x
  3. Step 3: Cross multiply
    606.72x = 837.28 × 373.92
  4. Step 4: Simplify right side
    606.72x = 313,075.74
  5. Step 5: Solve for x
    x = 313,075.74/606.72
  6. Step 6: Final answer
    x = 516.01

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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.