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Finding the Fourth Proportional to 526.39, 789.59 and 238.03

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Solution

The fourth proportional to 526.39, 789.59 and 238.03 is: 357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.39 : 789.59 = 238.03 : x
  2. Step 2: Convert to fraction form
    526.39/789.59 = 238.03/x
  3. Step 3: Cross multiply
    526.39x = 789.59 × 238.03
  4. Step 4: Simplify right side
    526.39x = 187,946.11
  5. Step 5: Solve for x
    x = 187,946.11/526.39
  6. Step 6: Final answer
    x = 357.05

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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.