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Finding the Fourth Proportional to 212.59, 293.37 and 124.03

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Solution

The fourth proportional to 212.59, 293.37 and 124.03 is: 171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212.59 : 293.37 = 124.03 : x
  2. Step 2: Convert to fraction form
    212.59/293.37 = 124.03/x
  3. Step 3: Cross multiply
    212.59x = 293.37 × 124.03
  4. Step 4: Simplify right side
    212.59x = 36,386.68
  5. Step 5: Solve for x
    x = 36,386.68/212.59
  6. Step 6: Final answer
    x = 171.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.