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Finding the Fourth Proportional to 526.71, 790.31 and 201.97

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Solution

The fourth proportional to 526.71, 790.31 and 201.97 is: 303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.71 : 790.31 = 201.97 : x
  2. Step 2: Convert to fraction form
    526.71/790.31 = 201.97/x
  3. Step 3: Cross multiply
    526.71x = 790.31 × 201.97
  4. Step 4: Simplify right side
    526.71x = 159,615.93
  5. Step 5: Solve for x
    x = 159,615.93/526.71
  6. Step 6: Final answer
    x = 303.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.