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Finding the Fourth Proportional to 652.43, 898.08 and 569.39

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Solution

The fourth proportional to 652.43, 898.08 and 569.39 is: 783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.43 : 898.08 = 569.39 : x
  2. Step 2: Convert to fraction form
    652.43/898.08 = 569.39/x
  3. Step 3: Cross multiply
    652.43x = 898.08 × 569.39
  4. Step 4: Simplify right side
    652.43x = 511,357.77
  5. Step 5: Solve for x
    x = 511,357.77/652.43
  6. Step 6: Final answer
    x = 783.77

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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.