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Finding the Fourth Proportional to 529.32, 793.86 and 374.80

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Solution

The fourth proportional to 529.32, 793.86 and 374.80 is: 562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.32 : 793.86 = 374.80 : x
  2. Step 2: Convert to fraction form
    529.32/793.86 = 374.80/x
  3. Step 3: Cross multiply
    529.32x = 793.86 × 374.80
  4. Step 4: Simplify right side
    529.32x = 297,538.73
  5. Step 5: Solve for x
    x = 297,538.73/529.32
  6. Step 6: Final answer
    x = 562.12

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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.