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Finding the Fourth Proportional to 1,154.38, 1,593.02 and 630.41

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Solution

The fourth proportional to 1,154.38, 1,593.02 and 630.41 is: 869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.38 : 1,593.02 = 630.41 : x
  2. Step 2: Convert to fraction form
    1,154.38/1,593.02 = 630.41/x
  3. Step 3: Cross multiply
    1,154.38x = 1,593.02 × 630.41
  4. Step 4: Simplify right side
    1,154.38x = 1,004,258.93
  5. Step 5: Solve for x
    x = 1,004,258.93/1,154.38
  6. Step 6: Final answer
    x = 869.96

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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.