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Finding the Fourth Proportional to 754.36, 1,041.65 and 567.52

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Solution

The fourth proportional to 754.36, 1,041.65 and 567.52 is: 783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.36 : 1,041.65 = 567.52 : x
  2. Step 2: Convert to fraction form
    754.36/1,041.65 = 567.52/x
  3. Step 3: Cross multiply
    754.36x = 1,041.65 × 567.52
  4. Step 4: Simplify right side
    754.36x = 591,158.96
  5. Step 5: Solve for x
    x = 591,158.96/754.36
  6. Step 6: Final answer
    x = 783.66

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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.