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Finding the Fourth Proportional to 1,029.04, 1,543.56 and 370.89

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Solution

The fourth proportional to 1,029.04, 1,543.56 and 370.89 is: 556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.04 : 1,543.56 = 370.89 : x
  2. Step 2: Convert to fraction form
    1,029.04/1,543.56 = 370.89/x
  3. Step 3: Cross multiply
    1,029.04x = 1,543.56 × 370.89
  4. Step 4: Simplify right side
    1,029.04x = 572,490.97
  5. Step 5: Solve for x
    x = 572,490.97/1,029.04
  6. Step 6: Final answer
    x = 556.34

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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.