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Finding the Fourth Proportional to 525.92, 788.98 and 295.07

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Solution

The fourth proportional to 525.92, 788.98 and 295.07 is: 442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.92 : 788.98 = 295.07 : x
  2. Step 2: Convert to fraction form
    525.92/788.98 = 295.07/x
  3. Step 3: Cross multiply
    525.92x = 788.98 × 295.07
  4. Step 4: Simplify right side
    525.92x = 232,804.33
  5. Step 5: Solve for x
    x = 232,804.33/525.92
  6. Step 6: Final answer
    x = 442.66

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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.