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Finding the Fourth Proportional to 602.54, 899.46 and 556.82

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Solution

The fourth proportional to 602.54, 899.46 and 556.82 is: 831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.54 : 899.46 = 556.82 : x
  2. Step 2: Convert to fraction form
    602.54/899.46 = 556.82/x
  3. Step 3: Cross multiply
    602.54x = 899.46 × 556.82
  4. Step 4: Simplify right side
    602.54x = 500,837.32
  5. Step 5: Solve for x
    x = 500,837.32/602.54
  6. Step 6: Final answer
    x = 831.21

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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.