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Finding the Fourth Proportional to 795.32, 1,191.56 and 383.44

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Solution

The fourth proportional to 795.32, 1,191.56 and 383.44 is: 574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.32 : 1,191.56 = 383.44 : x
  2. Step 2: Convert to fraction form
    795.32/1,191.56 = 383.44/x
  3. Step 3: Cross multiply
    795.32x = 1,191.56 × 383.44
  4. Step 4: Simplify right side
    795.32x = 456,891.77
  5. Step 5: Solve for x
    x = 456,891.77/795.32
  6. Step 6: Final answer
    x = 574.48

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1.5x scale

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.