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Finding the Fourth Proportional to 585.60, 876.72 and 498.43

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Solution

The fourth proportional to 585.60, 876.72 and 498.43 is: 746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.60 : 876.72 = 498.43 : x
  2. Step 2: Convert to fraction form
    585.60/876.72 = 498.43/x
  3. Step 3: Cross multiply
    585.60x = 876.72 × 498.43
  4. Step 4: Simplify right side
    585.60x = 436,983.55
  5. Step 5: Solve for x
    x = 436,983.55/585.60
  6. Step 6: Final answer
    x = 746.22

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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.