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Finding the Fourth Proportional to 700.52, 966.42 and 467.72

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Solution

The fourth proportional to 700.52, 966.42 and 467.72 is: 645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.52 : 966.42 = 467.72 : x
  2. Step 2: Convert to fraction form
    700.52/966.42 = 467.72/x
  3. Step 3: Cross multiply
    700.52x = 966.42 × 467.72
  4. Step 4: Simplify right side
    700.52x = 452,013.96
  5. Step 5: Solve for x
    x = 452,013.96/700.52
  6. Step 6: Final answer
    x = 645.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.