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Finding the Fourth Proportional to 525.96, 788.13 and 404.46

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Solution

The fourth proportional to 525.96, 788.13 and 404.46 is: 606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.96 : 788.13 = 404.46 : x
  2. Step 2: Convert to fraction form
    525.96/788.13 = 404.46/x
  3. Step 3: Cross multiply
    525.96x = 788.13 × 404.46
  4. Step 4: Simplify right side
    525.96x = 318,767.06
  5. Step 5: Solve for x
    x = 318,767.06/525.96
  6. Step 6: Final answer
    x = 606.07

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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.