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Finding the Fourth Proportional to 170.48, 254.08 and 167.24

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Solution

The fourth proportional to 170.48, 254.08 and 167.24 is: 249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.48 : 254.08 = 167.24 : x
  2. Step 2: Convert to fraction form
    170.48/254.08 = 167.24/x
  3. Step 3: Cross multiply
    170.48x = 254.08 × 167.24
  4. Step 4: Simplify right side
    170.48x = 42,492.34
  5. Step 5: Solve for x
    x = 42,492.34/170.48
  6. Step 6: Final answer
    x = 249.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.