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Finding the Fourth Proportional to 466.83, 700.40 and 281.70

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Solution

The fourth proportional to 466.83, 700.40 and 281.70 is: 422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.83 : 700.40 = 281.70 : x
  2. Step 2: Convert to fraction form
    466.83/700.40 = 281.70/x
  3. Step 3: Cross multiply
    466.83x = 700.40 × 281.70
  4. Step 4: Simplify right side
    466.83x = 197,303.38
  5. Step 5: Solve for x
    x = 197,303.38/466.83
  6. Step 6: Final answer
    x = 422.65

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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.