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Finding the Fourth Proportional to 177.34, 264.77 and 146.98

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Solution

The fourth proportional to 177.34, 264.77 and 146.98 is: 219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.34 : 264.77 = 146.98 : x
  2. Step 2: Convert to fraction form
    177.34/264.77 = 146.98/x
  3. Step 3: Cross multiply
    177.34x = 264.77 × 146.98
  4. Step 4: Simplify right side
    177.34x = 38,915.89
  5. Step 5: Solve for x
    x = 38,915.89/177.34
  6. Step 6: Final answer
    x = 219.44

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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.