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Finding the Fourth Proportional to 1,021.41, 1,532.32 and 473.24

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Solution

The fourth proportional to 1,021.41, 1,532.32 and 473.24 is: 709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021.41 : 1,532.32 = 473.24 : x
  2. Step 2: Convert to fraction form
    1,021.41/1,532.32 = 473.24/x
  3. Step 3: Cross multiply
    1,021.41x = 1,532.32 × 473.24
  4. Step 4: Simplify right side
    1,021.41x = 725,157.76
  5. Step 5: Solve for x
    x = 725,157.76/1,021.41
  6. Step 6: Final answer
    x = 709.96

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Double scale
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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.