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Finding the Fourth Proportional to 1,052.12, 1,578.38 and 466.90

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Solution

The fourth proportional to 1,052.12, 1,578.38 and 466.90 is: 700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.12 : 1,578.38 = 466.90 : x
  2. Step 2: Convert to fraction form
    1,052.12/1,578.38 = 466.90/x
  3. Step 3: Cross multiply
    1,052.12x = 1,578.38 × 466.90
  4. Step 4: Simplify right side
    1,052.12x = 736,945.62
  5. Step 5: Solve for x
    x = 736,945.62/1,052.12
  6. Step 6: Final answer
    x = 700.44

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1.5x scale

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.