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Finding the Fourth Proportional to 514.04, 709.44 and 358.52

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Solution

The fourth proportional to 514.04, 709.44 and 358.52 is: 494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.04 : 709.44 = 358.52 : x
  2. Step 2: Convert to fraction form
    514.04/709.44 = 358.52/x
  3. Step 3: Cross multiply
    514.04x = 709.44 × 358.52
  4. Step 4: Simplify right side
    514.04x = 254,348.43
  5. Step 5: Solve for x
    x = 254,348.43/514.04
  6. Step 6: Final answer
    x = 494.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.