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Finding the Fourth Proportional to 882.97, 1,217.52 and 603.25

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Solution

The fourth proportional to 882.97, 1,217.52 and 603.25 is: 831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.97 : 1,217.52 = 603.25 : x
  2. Step 2: Convert to fraction form
    882.97/1,217.52 = 603.25/x
  3. Step 3: Cross multiply
    882.97x = 1,217.52 × 603.25
  4. Step 4: Simplify right side
    882.97x = 734,468.94
  5. Step 5: Solve for x
    x = 734,468.94/882.97
  6. Step 6: Final answer
    x = 831.82

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1.5x scale

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.