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Finding the Fourth Proportional to 681.62, 941.38 and 472.10

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Solution

The fourth proportional to 681.62, 941.38 and 472.10 is: 652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681.62 : 941.38 = 472.10 : x
  2. Step 2: Convert to fraction form
    681.62/941.38 = 472.10/x
  3. Step 3: Cross multiply
    681.62x = 941.38 × 472.10
  4. Step 4: Simplify right side
    681.62x = 444,425.50
  5. Step 5: Solve for x
    x = 444,425.50/681.62
  6. Step 6: Final answer
    x = 652.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.