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Finding the Fourth Proportional to 1,134.03, 1,700.57 and 353.76

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Solution

The fourth proportional to 1,134.03, 1,700.57 and 353.76 is: 530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.03 : 1,700.57 = 353.76 : x
  2. Step 2: Convert to fraction form
    1,134.03/1,700.57 = 353.76/x
  3. Step 3: Cross multiply
    1,134.03x = 1,700.57 × 353.76
  4. Step 4: Simplify right side
    1,134.03x = 601,593.64
  5. Step 5: Solve for x
    x = 601,593.64/1,134.03
  6. Step 6: Final answer
    x = 530.49

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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.