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Finding the Fourth Proportional to 358.58, 533.59 and 357.37

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Solution

The fourth proportional to 358.58, 533.59 and 357.37 is: 531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.58 : 533.59 = 357.37 : x
  2. Step 2: Convert to fraction form
    358.58/533.59 = 357.37/x
  3. Step 3: Cross multiply
    358.58x = 533.59 × 357.37
  4. Step 4: Simplify right side
    358.58x = 190,689.06
  5. Step 5: Solve for x
    x = 190,689.06/358.58
  6. Step 6: Final answer
    x = 531.79

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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.