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Finding the Fourth Proportional to 358.32, 534.54 and 304.56

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Solution

The fourth proportional to 358.32, 534.54 and 304.56 is: 454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.32 : 534.54 = 304.56 : x
  2. Step 2: Convert to fraction form
    358.32/534.54 = 304.56/x
  3. Step 3: Cross multiply
    358.32x = 534.54 × 304.56
  4. Step 4: Simplify right side
    358.32x = 162,799.50
  5. Step 5: Solve for x
    x = 162,799.50/358.32
  6. Step 6: Final answer
    x = 454.34

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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.