Home / 1,046.20-1,569.30-353.05

Finding the Fourth Proportional to 1,046.20, 1,569.30 and 353.05

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Solution

The fourth proportional to 1,046.20, 1,569.30 and 353.05 is: 529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.20 : 1,569.30 = 353.05 : x
  2. Step 2: Convert to fraction form
    1,046.20/1,569.30 = 353.05/x
  3. Step 3: Cross multiply
    1,046.20x = 1,569.30 × 353.05
  4. Step 4: Simplify right side
    1,046.20x = 554,033.52
  5. Step 5: Solve for x
    x = 554,033.52/1,046.20
  6. Step 6: Final answer
    x = 529.57

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.