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Finding the Fourth Proportional to 553.47, 830.27 and 183.13

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Solution

The fourth proportional to 553.47, 830.27 and 183.13 is: 274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    553.47 : 830.27 = 183.13 : x
  2. Step 2: Convert to fraction form
    553.47/830.27 = 183.13/x
  3. Step 3: Cross multiply
    553.47x = 830.27 × 183.13
  4. Step 4: Simplify right side
    553.47x = 152,044.70
  5. Step 5: Solve for x
    x = 152,044.70/553.47
  6. Step 6: Final answer
    x = 274.71

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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.