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Finding the Fourth Proportional to 264.79, 365.40 and 148.34

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Solution

The fourth proportional to 264.79, 365.40 and 148.34 is: 204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.79 : 365.40 = 148.34 : x
  2. Step 2: Convert to fraction form
    264.79/365.40 = 148.34/x
  3. Step 3: Cross multiply
    264.79x = 365.40 × 148.34
  4. Step 4: Simplify right side
    264.79x = 54,203.44
  5. Step 5: Solve for x
    x = 54,203.44/264.79
  6. Step 6: Final answer
    x = 204.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.