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Finding the Fourth Proportional to 526.14, 789.25 and 136.14

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Solution

The fourth proportional to 526.14, 789.25 and 136.14 is: 204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.14 : 789.25 = 136.14 : x
  2. Step 2: Convert to fraction form
    526.14/789.25 = 136.14/x
  3. Step 3: Cross multiply
    526.14x = 789.25 × 136.14
  4. Step 4: Simplify right side
    526.14x = 107,444.89
  5. Step 5: Solve for x
    x = 107,444.89/526.14
  6. Step 6: Final answer
    x = 204.21

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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.