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Finding the Fourth Proportional to 1,470.74, 2,206.17 and 375.14

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Solution

The fourth proportional to 1,470.74, 2,206.17 and 375.14 is: 562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.74 : 2,206.17 = 375.14 : x
  2. Step 2: Convert to fraction form
    1,470.74/2,206.17 = 375.14/x
  3. Step 3: Cross multiply
    1,470.74x = 2,206.17 × 375.14
  4. Step 4: Simplify right side
    1,470.74x = 827,622.61
  5. Step 5: Solve for x
    x = 827,622.61/1,470.74
  6. Step 6: Final answer
    x = 562.73

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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.