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Finding the Fourth Proportional to 526.09, 788.68 and 294.79

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Solution

The fourth proportional to 526.09, 788.68 and 294.79 is: 441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.09 : 788.68 = 294.79 : x
  2. Step 2: Convert to fraction form
    526.09/788.68 = 294.79/x
  3. Step 3: Cross multiply
    526.09x = 788.68 × 294.79
  4. Step 4: Simplify right side
    526.09x = 232,489.56
  5. Step 5: Solve for x
    x = 232,489.56/526.09
  6. Step 6: Final answer
    x = 441.92

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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.