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Finding the Fourth Proportional to 1,053.02, 1,579.19 and 468

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Solution

The fourth proportional to 1,053.02, 1,579.19 and 468 is: 701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.02 : 1,579.19 = 468 : x
  2. Step 2: Convert to fraction form
    1,053.02/1,579.19 = 468/x
  3. Step 3: Cross multiply
    1,053.02x = 1,579.19 × 468
  4. Step 4: Simplify right side
    1,053.02x = 739,058.58
  5. Step 5: Solve for x
    x = 739,058.58/1,053.02
  6. Step 6: Final answer
    x = 701.85

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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.