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Finding the Fourth Proportional to 965.28, 1,332.02 and 592.28

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Solution

The fourth proportional to 965.28, 1,332.02 and 592.28 is: 817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.28 : 1,332.02 = 592.28 : x
  2. Step 2: Convert to fraction form
    965.28/1,332.02 = 592.28/x
  3. Step 3: Cross multiply
    965.28x = 1,332.02 × 592.28
  4. Step 4: Simplify right side
    965.28x = 788,919.18
  5. Step 5: Solve for x
    x = 788,919.18/965.28
  6. Step 6: Final answer
    x = 817.30

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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.