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Finding the Fourth Proportional to 526.56, 788.94 and 252.06

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Solution

The fourth proportional to 526.56, 788.94 and 252.06 is: 377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.56 : 788.94 = 252.06 : x
  2. Step 2: Convert to fraction form
    526.56/788.94 = 252.06/x
  3. Step 3: Cross multiply
    526.56x = 788.94 × 252.06
  4. Step 4: Simplify right side
    526.56x = 198,860.22
  5. Step 5: Solve for x
    x = 198,860.22/526.56
  6. Step 6: Final answer
    x = 377.66

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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.