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Finding the Fourth Proportional to 601.88, 898.45 and 556.75

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Solution

The fourth proportional to 601.88, 898.45 and 556.75 is: 831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.88 : 898.45 = 556.75 : x
  2. Step 2: Convert to fraction form
    601.88/898.45 = 556.75/x
  3. Step 3: Cross multiply
    601.88x = 898.45 × 556.75
  4. Step 4: Simplify right side
    601.88x = 500,207.55
  5. Step 5: Solve for x
    x = 500,207.55/601.88
  6. Step 6: Final answer
    x = 831.08

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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.