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Finding the Fourth Proportional to 475.08, 651.28 and 467.52

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Solution

The fourth proportional to 475.08, 651.28 and 467.52 is: 640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.08 : 651.28 = 467.52 : x
  2. Step 2: Convert to fraction form
    475.08/651.28 = 467.52/x
  3. Step 3: Cross multiply
    475.08x = 651.28 × 467.52
  4. Step 4: Simplify right side
    475.08x = 304,486.43
  5. Step 5: Solve for x
    x = 304,486.43/475.08
  6. Step 6: Final answer
    x = 640.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.