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Finding the Fourth Proportional to 704.18, 1,055.57 and 473.16

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Solution

The fourth proportional to 704.18, 1,055.57 and 473.16 is: 709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.18 : 1,055.57 = 473.16 : x
  2. Step 2: Convert to fraction form
    704.18/1,055.57 = 473.16/x
  3. Step 3: Cross multiply
    704.18x = 1,055.57 × 473.16
  4. Step 4: Simplify right side
    704.18x = 499,453.50
  5. Step 5: Solve for x
    x = 499,453.50/704.18
  6. Step 6: Final answer
    x = 709.27

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Double scale
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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.