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Finding the Fourth Proportional to 162.51, 244.61 and 148.38

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Solution

The fourth proportional to 162.51, 244.61 and 148.38 is: 223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.51 : 244.61 = 148.38 : x
  2. Step 2: Convert to fraction form
    162.51/244.61 = 148.38/x
  3. Step 3: Cross multiply
    162.51x = 244.61 × 148.38
  4. Step 4: Simplify right side
    162.51x = 36,294.49
  5. Step 5: Solve for x
    x = 36,294.49/162.51
  6. Step 6: Final answer
    x = 223.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.