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Finding the Fourth Proportional to 364.85, 503.50 and 207.48

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Solution

The fourth proportional to 364.85, 503.50 and 207.48 is: 286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.85 : 503.50 = 207.48 : x
  2. Step 2: Convert to fraction form
    364.85/503.50 = 207.48/x
  3. Step 3: Cross multiply
    364.85x = 503.50 × 207.48
  4. Step 4: Simplify right side
    364.85x = 104,466.18
  5. Step 5: Solve for x
    x = 104,466.18/364.85
  6. Step 6: Final answer
    x = 286.33

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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.