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Finding the Fourth Proportional to 1,014.48, 1,520.91 and 466.38

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Solution

The fourth proportional to 1,014.48, 1,520.91 and 466.38 is: 699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.48 : 1,520.91 = 466.38 : x
  2. Step 2: Convert to fraction form
    1,014.48/1,520.91 = 466.38/x
  3. Step 3: Cross multiply
    1,014.48x = 1,520.91 × 466.38
  4. Step 4: Simplify right side
    1,014.48x = 709,322.01
  5. Step 5: Solve for x
    x = 709,322.01/1,014.48
  6. Step 6: Final answer
    x = 699.20

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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.