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Finding the Fourth Proportional to 586.64, 880.04 and 479.36

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Solution

The fourth proportional to 586.64, 880.04 and 479.36 is: 719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.64 : 880.04 = 479.36 : x
  2. Step 2: Convert to fraction form
    586.64/880.04 = 479.36/x
  3. Step 3: Cross multiply
    586.64x = 880.04 × 479.36
  4. Step 4: Simplify right side
    586.64x = 421,855.97
  5. Step 5: Solve for x
    x = 421,855.97/586.64
  6. Step 6: Final answer
    x = 719.11

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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.