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Finding the Fourth Proportional to 585.04, 807.24 and 468.88

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Solution

The fourth proportional to 585.04, 807.24 and 468.88 is: 646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.04 : 807.24 = 468.88 : x
  2. Step 2: Convert to fraction form
    585.04/807.24 = 468.88/x
  3. Step 3: Cross multiply
    585.04x = 807.24 × 468.88
  4. Step 4: Simplify right side
    585.04x = 378,498.69
  5. Step 5: Solve for x
    x = 378,498.69/585.04
  6. Step 6: Final answer
    x = 646.96

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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.