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Finding the Fourth Proportional to 162.57, 244.26 and 101.82

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Solution

The fourth proportional to 162.57, 244.26 and 101.82 is: 152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.57 : 244.26 = 101.82 : x
  2. Step 2: Convert to fraction form
    162.57/244.26 = 101.82/x
  3. Step 3: Cross multiply
    162.57x = 244.26 × 101.82
  4. Step 4: Simplify right side
    162.57x = 24,870.55
  5. Step 5: Solve for x
    x = 24,870.55/162.57
  6. Step 6: Final answer
    x = 152.98

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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.