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Finding the Fourth Proportional to 606.42, 837.64 and 501.93

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Solution

The fourth proportional to 606.42, 837.64 and 501.93 is: 693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.42 : 837.64 = 501.93 : x
  2. Step 2: Convert to fraction form
    606.42/837.64 = 501.93/x
  3. Step 3: Cross multiply
    606.42x = 837.64 × 501.93
  4. Step 4: Simplify right side
    606.42x = 420,437.27
  5. Step 5: Solve for x
    x = 420,437.27/606.42
  6. Step 6: Final answer
    x = 693.31

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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.