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Finding the Fourth Proportional to 557.37, 833.13 and 483.66

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Solution

The fourth proportional to 557.37, 833.13 and 483.66 is: 722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.37 : 833.13 = 483.66 : x
  2. Step 2: Convert to fraction form
    557.37/833.13 = 483.66/x
  3. Step 3: Cross multiply
    557.37x = 833.13 × 483.66
  4. Step 4: Simplify right side
    557.37x = 402,951.66
  5. Step 5: Solve for x
    x = 402,951.66/557.37
  6. Step 6: Final answer
    x = 722.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.