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Finding the Fourth Proportional to 750.02, 1,125.42 and 567.36

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Solution

The fourth proportional to 750.02, 1,125.42 and 567.36 is: 851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.02 : 1,125.42 = 567.36 : x
  2. Step 2: Convert to fraction form
    750.02/1,125.42 = 567.36/x
  3. Step 3: Cross multiply
    750.02x = 1,125.42 × 567.36
  4. Step 4: Simplify right side
    750.02x = 638,518.29
  5. Step 5: Solve for x
    x = 638,518.29/750.02
  6. Step 6: Final answer
    x = 851.34

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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.