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Finding the Fourth Proportional to 264.31, 364.69 and 152.29

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Solution

The fourth proportional to 264.31, 364.69 and 152.29 is: 210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.31 : 364.69 = 152.29 : x
  2. Step 2: Convert to fraction form
    264.31/364.69 = 152.29/x
  3. Step 3: Cross multiply
    264.31x = 364.69 × 152.29
  4. Step 4: Simplify right side
    264.31x = 55,537.88
  5. Step 5: Solve for x
    x = 55,537.88/264.31
  6. Step 6: Final answer
    x = 210.12

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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.