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Finding the Fourth Proportional to 250.16, 345.15 and 162.89

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Solution

The fourth proportional to 250.16, 345.15 and 162.89 is: 224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.16 : 345.15 = 162.89 : x
  2. Step 2: Convert to fraction form
    250.16/345.15 = 162.89/x
  3. Step 3: Cross multiply
    250.16x = 345.15 × 162.89
  4. Step 4: Simplify right side
    250.16x = 56,221.48
  5. Step 5: Solve for x
    x = 56,221.48/250.16
  6. Step 6: Final answer
    x = 224.74

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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.