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Finding the Fourth Proportional to 474.04, 711.04 and 459.44

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Solution

The fourth proportional to 474.04, 711.04 and 459.44 is: 689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.04 : 711.04 = 459.44 : x
  2. Step 2: Convert to fraction form
    474.04/711.04 = 459.44/x
  3. Step 3: Cross multiply
    474.04x = 711.04 × 459.44
  4. Step 4: Simplify right side
    474.04x = 326,680.22
  5. Step 5: Solve for x
    x = 326,680.22/474.04
  6. Step 6: Final answer
    x = 689.14

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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.