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Finding the Fourth Proportional to 177.88, 268.15 and 175.45

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Solution

The fourth proportional to 177.88, 268.15 and 175.45 is: 264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.88 : 268.15 = 175.45 : x
  2. Step 2: Convert to fraction form
    177.88/268.15 = 175.45/x
  3. Step 3: Cross multiply
    177.88x = 268.15 × 175.45
  4. Step 4: Simplify right side
    177.88x = 47,045.81
  5. Step 5: Solve for x
    x = 47,045.81/177.88
  6. Step 6: Final answer
    x = 264.48

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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.