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Finding the Fourth Proportional to 526.08, 789.24 and 201.66

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Solution

The fourth proportional to 526.08, 789.24 and 201.66 is: 302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.08 : 789.24 = 201.66 : x
  2. Step 2: Convert to fraction form
    526.08/789.24 = 201.66/x
  3. Step 3: Cross multiply
    526.08x = 789.24 × 201.66
  4. Step 4: Simplify right side
    526.08x = 159,158.14
  5. Step 5: Solve for x
    x = 159,158.14/526.08
  6. Step 6: Final answer
    x = 302.54

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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.