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Finding the Fourth Proportional to 554.17, 830.15 and 334.68

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Solution

The fourth proportional to 554.17, 830.15 and 334.68 is: 501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.17 : 830.15 = 334.68 : x
  2. Step 2: Convert to fraction form
    554.17/830.15 = 334.68/x
  3. Step 3: Cross multiply
    554.17x = 830.15 × 334.68
  4. Step 4: Simplify right side
    554.17x = 277,834.60
  5. Step 5: Solve for x
    x = 277,834.60/554.17
  6. Step 6: Final answer
    x = 501.35

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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.