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Finding the Fourth Proportional to 597.65, 898.70 and 575.78

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Solution

The fourth proportional to 597.65, 898.70 and 575.78 is: 865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.65 : 898.70 = 575.78 : x
  2. Step 2: Convert to fraction form
    597.65/898.70 = 575.78/x
  3. Step 3: Cross multiply
    597.65x = 898.70 × 575.78
  4. Step 4: Simplify right side
    597.65x = 517,446.11
  5. Step 5: Solve for x
    x = 517,446.11/597.65
  6. Step 6: Final answer
    x = 865.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.