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Finding the Fourth Proportional to 364.37, 502.86 and 207.03

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Solution

The fourth proportional to 364.37, 502.86 and 207.03 is: 285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.37 : 502.86 = 207.03 : x
  2. Step 2: Convert to fraction form
    364.37/502.86 = 207.03/x
  3. Step 3: Cross multiply
    364.37x = 502.86 × 207.03
  4. Step 4: Simplify right side
    364.37x = 104,107.11
  5. Step 5: Solve for x
    x = 104,107.11/364.37
  6. Step 6: Final answer
    x = 285.72

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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.