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Finding the Fourth Proportional to 837.74, 1,156.01 and 464.62

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Solution

The fourth proportional to 837.74, 1,156.01 and 464.62 is: 641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.74 : 1,156.01 = 464.62 : x
  2. Step 2: Convert to fraction form
    837.74/1,156.01 = 464.62/x
  3. Step 3: Cross multiply
    837.74x = 1,156.01 × 464.62
  4. Step 4: Simplify right side
    837.74x = 537,105.37
  5. Step 5: Solve for x
    x = 537,105.37/837.74
  6. Step 6: Final answer
    x = 641.14

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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.