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Finding the Fourth Proportional to 1,509.97, 2,264.11 and 469.68

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Solution

The fourth proportional to 1,509.97, 2,264.11 and 469.68 is: 704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.97 : 2,264.11 = 469.68 : x
  2. Step 2: Convert to fraction form
    1,509.97/2,264.11 = 469.68/x
  3. Step 3: Cross multiply
    1,509.97x = 2,264.11 × 469.68
  4. Step 4: Simplify right side
    1,509.97x = 1,063,407.18
  5. Step 5: Solve for x
    x = 1,063,407.18/1,509.97
  6. Step 6: Final answer
    x = 704.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.