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Finding the Fourth Proportional to 595.53, 891.74 and 479.34

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Solution

The fourth proportional to 595.53, 891.74 and 479.34 is: 717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.53 : 891.74 = 479.34 : x
  2. Step 2: Convert to fraction form
    595.53/891.74 = 479.34/x
  3. Step 3: Cross multiply
    595.53x = 891.74 × 479.34
  4. Step 4: Simplify right side
    595.53x = 427,446.65
  5. Step 5: Solve for x
    x = 427,446.65/595.53
  6. Step 6: Final answer
    x = 717.76

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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.