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Finding the Fourth Proportional to 750.02, 1,033.94 and 528.30

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Solution

The fourth proportional to 750.02, 1,033.94 and 528.30 is: 728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.02 : 1,033.94 = 528.30 : x
  2. Step 2: Convert to fraction form
    750.02/1,033.94 = 528.30/x
  3. Step 3: Cross multiply
    750.02x = 1,033.94 × 528.30
  4. Step 4: Simplify right side
    750.02x = 546,230.50
  5. Step 5: Solve for x
    x = 546,230.50/750.02
  6. Step 6: Final answer
    x = 728.29

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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.