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Finding the Fourth Proportional to 479.08, 719.10 and 372.04

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Solution

The fourth proportional to 479.08, 719.10 and 372.04 is: 558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.08 : 719.10 = 372.04 : x
  2. Step 2: Convert to fraction form
    479.08/719.10 = 372.04/x
  3. Step 3: Cross multiply
    479.08x = 719.10 × 372.04
  4. Step 4: Simplify right side
    479.08x = 267,533.96
  5. Step 5: Solve for x
    x = 267,533.96/479.08
  6. Step 6: Final answer
    x = 558.43

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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.