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Finding the Fourth Proportional to 649.00, 894.86 and 524.28

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Solution

The fourth proportional to 649.00, 894.86 and 524.28 is: 722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.00 : 894.86 = 524.28 : x
  2. Step 2: Convert to fraction form
    649.00/894.86 = 524.28/x
  3. Step 3: Cross multiply
    649.00x = 894.86 × 524.28
  4. Step 4: Simplify right side
    649.00x = 469,154.35
  5. Step 5: Solve for x
    x = 469,154.35/649.00
  6. Step 6: Final answer
    x = 722.88

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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.