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Finding the Fourth Proportional to 751.03, 1,036.85 and 572.59

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Solution

The fourth proportional to 751.03, 1,036.85 and 572.59 is: 790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.03 : 1,036.85 = 572.59 : x
  2. Step 2: Convert to fraction form
    751.03/1,036.85 = 572.59/x
  3. Step 3: Cross multiply
    751.03x = 1,036.85 × 572.59
  4. Step 4: Simplify right side
    751.03x = 593,688.78
  5. Step 5: Solve for x
    x = 593,688.78/751.03
  6. Step 6: Final answer
    x = 790.50

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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.