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Finding the Fourth Proportional to 358.10, 536.99 and 101.54

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Solution

The fourth proportional to 358.10, 536.99 and 101.54 is: 152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.10 : 536.99 = 101.54 : x
  2. Step 2: Convert to fraction form
    358.10/536.99 = 101.54/x
  3. Step 3: Cross multiply
    358.10x = 536.99 × 101.54
  4. Step 4: Simplify right side
    358.10x = 54,525.96
  5. Step 5: Solve for x
    x = 54,525.96/358.10
  6. Step 6: Final answer
    x = 152.26

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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.