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Finding the Fourth Proportional to 585.10, 807.87 and 410.68

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Solution

The fourth proportional to 585.10, 807.87 and 410.68 is: 567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.10 : 807.87 = 410.68 : x
  2. Step 2: Convert to fraction form
    585.10/807.87 = 410.68/x
  3. Step 3: Cross multiply
    585.10x = 807.87 × 410.68
  4. Step 4: Simplify right side
    585.10x = 331,776.05
  5. Step 5: Solve for x
    x = 331,776.05/585.10
  6. Step 6: Final answer
    x = 567.04

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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.