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Finding the Fourth Proportional to 554.57, 830.68 and 334.51

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Solution

The fourth proportional to 554.57, 830.68 and 334.51 is: 501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.57 : 830.68 = 334.51 : x
  2. Step 2: Convert to fraction form
    554.57/830.68 = 334.51/x
  3. Step 3: Cross multiply
    554.57x = 830.68 × 334.51
  4. Step 4: Simplify right side
    554.57x = 277,867.85
  5. Step 5: Solve for x
    x = 277,867.85/554.57
  6. Step 6: Final answer
    x = 501.06

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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.