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Finding the Fourth Proportional to 659.71, 910.42 and 364.98

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Solution

The fourth proportional to 659.71, 910.42 and 364.98 is: 503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.71 : 910.42 = 364.98 : x
  2. Step 2: Convert to fraction form
    659.71/910.42 = 364.98/x
  3. Step 3: Cross multiply
    659.71x = 910.42 × 364.98
  4. Step 4: Simplify right side
    659.71x = 332,282.48
  5. Step 5: Solve for x
    x = 332,282.48/659.71
  6. Step 6: Final answer
    x = 503.68

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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.