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Finding the Fourth Proportional to 586.03, 878.32 and 326.02

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Solution

The fourth proportional to 586.03, 878.32 and 326.02 is: 488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.03 : 878.32 = 326.02 : x
  2. Step 2: Convert to fraction form
    586.03/878.32 = 326.02/x
  3. Step 3: Cross multiply
    586.03x = 878.32 × 326.02
  4. Step 4: Simplify right side
    586.03x = 286,349.89
  5. Step 5: Solve for x
    x = 286,349.89/586.03
  6. Step 6: Final answer
    x = 488.63

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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.