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Finding the Fourth Proportional to 358.13, 537.29 and 101.63

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Solution

The fourth proportional to 358.13, 537.29 and 101.63 is: 152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.13 : 537.29 = 101.63 : x
  2. Step 2: Convert to fraction form
    358.13/537.29 = 101.63/x
  3. Step 3: Cross multiply
    358.13x = 537.29 × 101.63
  4. Step 4: Simplify right side
    358.13x = 54,601.59
  5. Step 5: Solve for x
    x = 54,601.59/358.13
  6. Step 6: Final answer
    x = 152.47

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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.