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Finding the Fourth Proportional to 503.35, 694.67 and 293.51

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Solution

The fourth proportional to 503.35, 694.67 and 293.51 is: 405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.35 : 694.67 = 293.51 : x
  2. Step 2: Convert to fraction form
    503.35/694.67 = 293.51/x
  3. Step 3: Cross multiply
    503.35x = 694.67 × 293.51
  4. Step 4: Simplify right side
    503.35x = 203,892.86
  5. Step 5: Solve for x
    x = 203,892.86/503.35
  6. Step 6: Final answer
    x = 405.07

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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.