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Finding the Fourth Proportional to 468.35, 651.48 and 459.44

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Solution

The fourth proportional to 468.35, 651.48 and 459.44 is: 639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.35 : 651.48 = 459.44 : x
  2. Step 2: Convert to fraction form
    468.35/651.48 = 459.44/x
  3. Step 3: Cross multiply
    468.35x = 651.48 × 459.44
  4. Step 4: Simplify right side
    468.35x = 299,312.71
  5. Step 5: Solve for x
    x = 299,312.71/468.35
  6. Step 6: Final answer
    x = 639.09

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.