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Finding the Fourth Proportional to 357.97, 534.04 and 353.36

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Solution

The fourth proportional to 357.97, 534.04 and 353.36 is: 527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.97 : 534.04 = 353.36 : x
  2. Step 2: Convert to fraction form
    357.97/534.04 = 353.36/x
  3. Step 3: Cross multiply
    357.97x = 534.04 × 353.36
  4. Step 4: Simplify right side
    357.97x = 188,710.81
  5. Step 5: Solve for x
    x = 188,710.81/357.97
  6. Step 6: Final answer
    x = 527.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.